... thick fabrics Descriptions: 1.This machine is KLY737/747/757, it is super high-speed overlock sewing machine;2.KLY737/747/757 is applicable ... the machine operates perfectly and smoothly at low sewing tension, and perfect and stable stitches even at high speed seaming;3 ... AND CAP, BOBBINS,NEEDLE PLATE,SEWING MACHINE, NP-7A GK26-1 ,HOUSEHOLD SEWING MCHINERY PARTS,SEWING MACHINERY SPARE PARTS,SCISSORS and ...