Ronstan RF35212 Series 30 Orbit Double Block With Becket

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Ronstan (RF35212) Series 30 Orbit Double Block With Becket. Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets. Note: This block can take a rope dyneema head (RF9003-07) by removing the pin that secures the shackle head. Block Properties Sheave diameter 30 mm Maximum rope diameter 8 mm Maximum working load 450 kg Breaking load 900 kg Weight 51 g Shackle head length 17 mm Show more