Ronstan Ball Bearing, Series 40 - Triple, Swivel Shackle Head ronstan utility block series 50 60 - single block cheek With larger diameter tube

With larger diameter tube

2 step 295mm wide - 350mm to 600mm length fixing slide length - 300mm

Dyneema® single braid lashing line

Supplied with flange

2 x S/S flanges

Ronstan Ball Bearing, Series 40 - Triple, Swivel Shackle Head ronstan utility block series 50 60 - single block cheek With larger diameter tubeSheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range Features: 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