... for stitching shirt, uniforms, underwear and jean, etc.SPECIFICATIONS AND INDEX: MODELNEEDLESTITCH NUMBERNEEDLE GUAGE(MM)STITCH LENGTH (MM)HEIGHT OF PRESSURE ... (KGS)DY-842A-003DP × 511#-16#21/8", 5/32", 7/32", 3/8", 1/4"47-1333.43500650*320*67050 ... /52DY-842A-005DPDP× 514#-22#21/8", 5/32", 7/32", 3/8", 1/4"57-1333.43500650*320*67050 ...