... Name KAILI , we can use client's brand Model Number Z(O.M),A,B,C,D,E,SPZ ... SPA,SPB,SPC We have enough mould of Narrow V-belt we can produce every size belt, our ... its composed of polyester threads with high elongation resistance . Wrapped V-belt ( Unit : mm ) TypeWidth(dp)Upper width (b) ... Wedge angle Z(O,M)8.510 640°A11138B141711C192214D273219E323825 Narrow V-belt (Unit : mm) TypeWidth(dp)Height(h) ...