... of operatoe,has a special inventive mind against material belt will fall off the design to reduce to the ... facilitates the management work.Product application:the SMD material belt type components are all suitable;Expects the band pulley diameter: ... any size is all suitable;Expects the belt gap(PITCH):2,4,8,10,12,16,24 ... ,32,44,56mm;Expects the belt width:8,12,16,24,32,44,56mm; ...