-The optional driving wheel: type P for punched belt wheel, type T for timing belt wheel -The optional tensioner: spring tensioner, magnetic tensioner -1-4 layers driving wheel available -The optional voltages: 24v 12v 6.3v -Cable: single core ·Ceramic yarn wheel replaced the old steel wire wheel; ·More wear-resisting, less rusty, longer service life; ·Reduce parts cost, decrease frequency of changing yarn wheel; ·Widely used on small jacquard yarn machine.