Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Green
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Blue
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Orange
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Brown
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Gray
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These are Style M Bobbins. There are 10 Per pack

• Color: Black
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins.

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 132yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Orange
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Pink
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Red
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Green
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Blue
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Yellow
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Brown
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Gray
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: Black
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd

Filament Polyester . Fil-Tec Bobbincentral's patented magnetic core creates consistent delivery through the entire bobbin. No more interruptions for tension adjustments as your bobbin gets smaller. Magnetic core prevents backlash or over-spin and eliminates the need for backlash springs. Magna-Glide is the original high-yield magnetic-core bobbins. These Class L bobbins are suitable for most domestic sewing machines.

• Color: White
• Recommended Needle Size: 65/9, 4.0 Longarm
• Made of: Polyester
• Recommended Use: Bobbin thread
• Thread Weight: 40wt, 2 ply
• Length: 72yd