CLUTCH BELL FOR BRUSH CUTTER EFCO 8400/IC - 8460/IC - 8420/IC - 8510 - 8550 - BOSS 8530/IC OM 740 746 S/T 750 755 MASTER 753 S/T MULTIBRAND BELL diameter: 78mm PIN OUTER diameter: 15mm PIN LENGTH: 42mm COUPLING TYPE: Z10 RIBBED COUPLING INTERNAL DIAMETER: 8mm EMAK - OLEOMAC - DYNAMAC - EFCO Code: 004555 Original code: 4191030 AT