Triple Ball Bearing block with sheaves that are 20mm in diameter. Ideal for powerful purchase systems on dinghy vangs, rig tensioning systems on skiffs etc.
Precision moulded 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 degrees. Stainless steel ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load strap and head fitting. Impact and UV resistant, fibre reinforced Nylon cheeks
