Product Name: Sewing Machine Puller PL-S1 For Flat Bed Coverstitch Machines For general materialsSewing Machine Puller Attachment PL-S1 fore Flat bed coverstitch machineApplication:Coverstitch Drive Mode:Single roller driving Lift ofPresser Foot: Manual & automaticElectric Voltage: AC110V/AC220V/AC380VTransmission Specification:P-2 thin material & medium materialP-1 thick material Roller Specification:D55*50 D55*15 Install Form:Mounted on the machine headContact: sales1(at)nbsyjx(dot)com