... 3. Long life span 4. High bending and wearing resistant Detailed Product Description FM(9.5),Z,O,A,B,C,D,E ... ) TypeWidth(dp)Upper Width(b)Height(h)WedgeangleZ(O,M)8.510640°A11138B141711C192214D273219E323825 Narrow V-belt(Unit:mm) TypeUpper Width(b ...