Classical wrapped v-belt feature high strength,low protraction,small matching tolerance,have O,A,B,C,D,E,and we can also be customized according to user requirements of special model to meet the requirement of you. Classical-Section Wrapped V-Belts Production Type Top Width Pitch Width Height Angle Length Conversion Length Range(inch) Length Range(mm) Factory Mark O 10 8.5 6 40° Li=Lw-22 13”-120” 450-2800 Li A 13 11 8 40° Li=Lw-30 14”-394” 450-8000 Li B 17 14 11 40° Li=Lw-40 19”-600” 580-15240 Li C 22 19 14 40° Li=Lw-58 29”-600” 1168-15240 Li D 32 27 19 40° Li=Lw-75 80”-600” 2000-15240