CMI RP145 Steel Rigging Block, 3/4" Bar Mount_R149 the ISC impact pulley is

the ISC impact pulley is designed to absorb the massive stresses caused by the harsh dynamics of heavy Arborist work (in conjunction with textiles)

72LPX and M72LPX Series Saw Chain

200-denier polyester

Heavy-duty 28" coated webbing offers the perfect combination of durability and comfort

75EXL and 75EXJ Series Saw Chain

CMI RP145 Steel Rigging Block, 3/4" Bar Mount_R149 the ISC impact pulley isThe sideplates on the RP145 have been changed to clear zinc. We have found that the clear zinc coating doesn't show scratches and blemishes like the green. Clear zinc plated steel sideplates, 2 3 4" aluminum sheave, bushing, and stainless steel axle.