Ronstan Series 20 Ball Bearing Block - Upright Lead RF20171

Series 20 Ball Bearing Block - Upright LeadFeatures: Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance : 20mm(3/4")Max. Rope : 6mm(1/4")Fastener : 4mm(5/32")M.W.L.: 250kg(550lbs)B. L.: 550kg(1,210lbs)Weight: 18g(0.6oz) Upgrade your sailing setup with the Ronstan Series 20 Ball Bearing Block - Upright Lead RF20171. Designed for high performance, this lead block offers a low profile solution for guiding halyards or other rig sail controls back to cleats or jammers. The precision molded Acetal sheaves are engineered to run smoothly on stainless steel or Torlon ball bearings, ensuring reliability and efficiency on the water. With a maximum working load of 250 kg (550 lbs) and a breaking load of 550 kg (1,210 lbs), this block is built to withstand rigorous conditions while remaining lightweight at just 18 g (0.6 oz