Sturdy, rust-proof, corrosion-resistant, durable, and long service life. Very suitable for adjusting the tension of the bobbin, a high-quality sewing tool for household machine repair. for Singer machine models: 4423 Heavy Duty, 4432 Heavy Duty, etc., specially designed for machine maintenance, craft projects, and home work.
Designed for machine repairs, craft projects, and work from home.
Compatible with machine models: 1.0, 1.5, Essential.

Compatible for Brother machine models: -is BQ950, -is NQ1600E, -is NQ3600D, -is NQ575PRW.
Suitable for Singer/Aikemei/June/Brother/Washing machine.
Size: 32 mm (1.26 inches) x 28 mm (1.1 inches) x 1 mm.
Color: Silver
Material: Stainless steel

Package Contents:
5 x screwdriver

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.