Gunold's Signature Magnetic embroidery bobbin consists 100% polyester continuous filament thread with a magnetic core. With the magnetic core it creates consistent thread delivery during the embroidery process, with consistent tension throughout the entire bobbin. This bobbin is a "L" style, white, with 148 yds. per bobbin. Each box has 144 prewound bobbins.
Color Name:White
Fiber Content :Polyester
Manufacturer :Gunold
Prewound :Yes
Yardage: 148 yards / 135m
Brand:Gunold Signature Bobbin
Colour: White
Height: 9.5mm
Compatible with Brother Multi Needles Embroidery Machine, Janome Multi Needles Embroidery Machine, Tajima Multi needles Embroidery Machine, Singer sewing machines.
Continous filament thread
Material: 100% polyester
Colour range: white and black
Thread strength: Nm 128/2; dtex 78/2
How to Install Magnetic Core bobbin to Bobbin Case: