CMI 4 Pulley Ss Bearing Nfpa RP123NFPA. Diameter: 5/8"/15.5mm Weight: 2 lbs. 3oz. /1005g Color: Stainless Specifications for CMI " Heavy Duty 4" Rescue Pulley Nfpa": Manufacturer: CMI Quantity: 1 Package Contents: CMI " Heavy Duty 4" Rescue Pulley...