Scope of application：For sewing sofa, summer sleeping mat, car seats, tent, etc.

The characteristics of：Large vertical hook, compound feed with presser foot, feed dog and needle, slide type lever to take-up thread. Upper and lower shafts are supported by ball bearing and driven by timing belt. Automatic lubricated by plunger pump. Driving smoothly, lower noise and long durability. Safety clutch device prevents the hook from being damaged.