BRUSH CUTTER CLUTCH BELL BC 4301DLM/DWM BC 4500SLM/DWM BC 535DLM/DWM INNER BELL DIAMETER: 78mm PIN OUTER diameter: 15mm PIN LENGTH: 37mm COUPLING TYPE: Z9 RIBBED INTERNAL COUPLING DIAMETER: 8mm ZENOAH - KOMATSU - REDMAX Code: 010048 Original code: Z4050-11311 - Z848B7151A1 AT