DT 4420HL-18 LONG ARM SINGLE/DOUBLE NEEDLE COMPOUND-FEED INDUSTRIAL LOCKSTITCH SEWING MACHINE
Large vertical hook, compound feed with presser foot, feed dog and needle, slide type lever to take-up thread. Upper and lo lower shafts are supportes 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.