Type: 2-pitch dial type/ 2-pitch dial, shorter thread remaining type
Application: Heavy-weight materials
Max. sewing speed (rpm): 3500
Max. Stitch length (mm): 9
Lift of the presser foot (mm): 9 (By hand); 16 (Auto)
Alternating vertical movement (mm): 1-6.5
Needle: 134 x 35R (nm140) nm110~nm160
Thread: #30~#4, B46~138, nm=60/3~20/3