Ronstan Ball Bearing, Series 30 - Stand Up, Loop Top clamp block Brass switch unit with chrome

Brass switch unit with chrome plated knob

2 metres of galvanised chain & 2 x D shackles

Fits Mercruiser Number: 740344

Commonly known as Safe-T II

Ideal for splicing all ropes particularly double braid

Ronstan Ball Bearing, Series 30 - Stand Up, Loop Top clamp block Brass switch unit with chromeSheaves 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 2 stage ball bearing system provides consistent performance over the full working load range. High static and dynamic load capacity. Light weight Versatile head fittings Applications: Primary lead blocks on dinghies and catamarans Control lines on