... , book bindings, orthopedic appliances, holsters, knife sheath, purses, etc.With upper & lower feed, the machine can sew accurately and easily several ... 20mm, suitable for stitching the extra heavy-weight materials;The upper feed amount can be adjusted within the range of ±20 ... .W.63 / 76 KGSBed Size253x656mmMeas.0.19 CBM TY273 Long Arm, Flat Bed, Unison-Feed, Extra Heavy Duty, Lockstitch Sewing Machine ...