Ronstan Series 40 BB Triple Utility Block - Swivel Shackle Head (Non-locking) Rope Size:10 mm Ronstan Halyard Stoppers made from

Ronstan Halyard Stoppers made from tough nylon are ideal for protecting halyard eye splices and whipping twine where they meet sheaves and exit plates

tar and oil stains on contact

Not compatible with the Shurhold PRO Rotary Polisher or Shurhold Dual Action Polisher Pro

Other tack rags can easily leave a residue that causes fisheyes and cratering of the topcoat

Ronstan Series 40 BB Triple Utility Block - Swivel Shackle Head (Non-locking) Rope Size:10 mm Ronstan Halyard Stoppers made fromRonstan Series 40 Ball Bearing Triple Utility Block, Swivel Shackle Head (Non locking) RF40300 Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation Applications Mainsheet Halyard Vang Spinnaker control lines on off the beach catamarans, one design classes and sportsboats up to 8 m (26 ft) Materials Acetal ball bearings UV stabilised Acetal sheave Grade