Application: Heavy-weight materials
Max. sewing speed (rpm): 2500
Max. Stitch length (mm): 6
Lift of the presser foot (mm): 16 (By knee)
Alternating vertical movement (mm): 2.5-6.5
Needle: 135 x 17 (nm160) nm100~nm180
Thread: #30~#5, B46~138, nm=60/3~20/3