Ronstan Ball Bearing Utility Blocks - Series 20 - Single, Becket, Loop Head SAW 14mm (9/16") diameter mast collar

14mm (9/16") diameter mast collar post or 14mm (9/16") wide mast collar plate/tang

Neoprene impeller is fitted as standard

It leaves behind a PTEF barrier to help guard against future salt deposits helping to prevent corrosion damage

Upgrade your boat's steering system with the Multiflex Boat Steering Kit

Note: Bolts not included

Ronstan Ball Bearing Utility Blocks - Series 20 - Single, Becket, Loop Head SAW 14mm (9/16") diameter mast collarLow friction High static and dynamic load capacity Lightweight Precision moulded 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. Range Seletion Advice: https: www. ronstan. com. au marine5 SAblocks. asp