RONSTAN Series 20 double ball-bearing block — lightweight, high-load marine block with 20mm (3/4") acetal sheave, for up to 6mm rope; MWL 350kg (770lbs); ideal for dinghy control lines.
$33.71 $39.66
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Series 20 blocks are the perfect choice for all types of dinghy control line applications. Their light weight and high load ratings make them ideal for use in powerful, efficient purchase systems for boom vangs, outhauls, cunninghams and traveller controls. Precision molded 3/4 acetal sheaves for up to 1/4 line. Grade 316 stainless steel ball bearings and 304 stainless steel load straps and head fittings. UV stabilized acetal cheeks. Features: Low friction; High static and dynamic load capacity; Lightweight; Precision molded acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction; Two-way head can be fixed at 0° or 90°. Applications: Dinghy control lines, dinghy vangs, cunninghams, traveller controls. Materials: Stainless steel ball bearings, UV stabilized acetal sheave, Grade 316 stainless steel load strap and head fitting, impact and UV resistant fiber reinforced Nylon cheeks.
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