Ronstan Single Stand Up Block RF41140

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Single sheave all purpose stand-up block from Series 40. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Features Exceptionally hi gh working loads. Low maintenance, long service life. Self-lubricating sheave. Captive Lock™ universal head. UV stabilized Acetal sheaves Impact and UV resistant, fiber reinforced polyamide cheeks Grade 316 stainless steel load strap, head fitting and bearing race Specifications Maximum rope diameter: 3/8" Maximum working load: 880 lbs. Sheave diameter: 1-9/16" Breaking load: 1760 lbs. Weight: 2.5 oz. Fastener diameter: 3/16" (5mm) Show more