The JK-W4 coverseam machine series comes in two models, namely the flat bed coverseam and the binding coverseam. This machines uses energy saving technology. It makes the machine a very quite and efficient industrial coverseam machine. It is also a self lubricating machine that reduces friction and heat to ensure minimum wear of metal parts. The maximum speed is electronically adjustable. The coverseam machine is usually used for the hemming of garments made from stretch fabrics such as t-shirts and other knitted garments.