PH, PJ, PK, PL, PM Features:1) Functions as both belt and V-belt2) 30% higher power and 25% smaller area than a common V-belt under the same working conditions3) Compact drive system frame, soft and good bending capacity4) Linear reach: 40m/sec5) Low vibration, heat and noise6) Heat, oil and abrasion resistant7) Widely used for high speed transmissions ribbed rubber belt