Manufacturer part #: E2750HBTechnical DescriptionFeaturesAmericanMetricDescriptionHigh-Beam Double Sheave (pair)Sheave Ø1 9/16 in40 mmLength4 1/4 in108 mmWidth1 9/16 in40 mmWeight (pair)23.4 oz662 gMax Line Ø3/8 in10 mmHeight Above Track1 in25 mmMaximum Working Load600 lb272 kgBreaking Load1200 lb544 kgPurchase3:1/4:1