Single Block Series S20 Ball Bearing w/Loop 550 kg

Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction. Can be fitted with a shackle in either of two planes to allow correct alignment of the block. Use these blocks for almost all control line situations on small dinghies. Work well for lightly loaded control lines on larger boats as well. Can be used for outhauls, vangs, barberhaulers, Cunninghams, traveler controls, leach cords, lead car return tackles, and even flag halyards. 20mm sheave dia., 6mm line dia., 250kg. maximum MWL.