Both serve the pulrpose of seeing shirts,unforms,jeans,overcoats etc,They adapt the wide renge of sewing materials and synchronized feeding of needle and feed dog,which can prevent slippage between layers of materials,They can perform two-row of parallel stitching and devcorative with quality.

LK-842-003	2	4000	4	1/8" 5/32" 7/32" 3/8" 1/4" 5/16" 1/2"	7-13	DP×5 11#-16#	675×310×660	43/48
LK-842-005	2	4000	5		7-13	DP×5 11#-16#	675×310×660	43/48
LK-845-003	2	3000	5		7-13	DP×5 11#-16#	675×310×660	48/55
LK-842-005	2	3000	5		7-13	DP×5 11#-16#	675×310×660	48/55