Ronstan Utility Block, Series 60 & 75 - Single Sheave Diameter:Type Sizes in inches

Sizes in inches

Maximum Drum Storage (Strap): 20' x 2"

MMercruiser GM Big Block heat exchanger for engines with log style exhaust manifolds

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Ronstan Utility Block, Series 60 & 75 - Single Sheave Diameter:Type Sizes in inchesThe patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs up to 20: 1 holding power. Unrivalled low weight is achieved by the use of a Torlon ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for