Reference: 3V320 Description: 3V320 Wedge Wrapped Belt Length: 30 in Inside, 32 in Outside Top Width: 3/8 in Height: 21/64 in Weight: 0.1248 lb Material: Rubber cushion, polyester cable cord as reinforcement and rubber impregnated woven cotton-polyester fabric Temperature Resistance: -35C to +70C Recommended use: Agricultural and Industrial machinery Recommended pulley diameter: More than 63mm (2-1/2?) Other specifications: Limited Oil resistant, Antistatic, Tolerance Stable