Ronstan Series 40 Ball Bearing Stand-Up Orbit Block?

Name: Ronstan Series 40 Ball Bearing Stand-Up Orbit Block?
Brand: Ronstan
SKU: RF48140
Availability: InStock

Item: RF48140

MPN: RF48140

Single sheave stand-up block with saddle & spring included

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Product Description

Sheave and balls: high compression strength acetal. Frame/cheeks: toughened glass fibre reinforced nylon. Head fittings, hub and fixtures: Grade 316 stainless steel. 2-stage ball bearing system. Requires 2 x 5mm (3/16?) fasteners. Mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft). Halyard, vang and backstay applications on boats to 9m (30ft). Control line applications on larger yachts.

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