The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This double block version is great for control line systems such as cunninghams or boom vangs.
- Smallest and lightest ball bearing block available.
- Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction.
- Single loop head blocks include an O-ring to separate running line from head lashing or fixing.
- Dinghy control lines.
- Vangs, cunninghams and tweakers.
- Shock cord tensioning systems.
- BB sheaves: UV stabilized acetal.
- Ball bearings: Stainless steel.
- Cheeks: Grade 316 stainless steel.
- Sheave - 15 mm
- Max. Rope - 5 mm
- M.W.L. - 240 kg
- B. L. - 700 kg
- Weight - 23 g