Ronstan Ball Bearing, Series 15 - Triple Block, No Shackle flame arrester Durable UV resistant polyethylene outers

Durable UV resistant polyethylene outers resist abrasion and withstand the effects of salt water

Suits direct attachment to mainsail headboard for 2:1 halyard

This model is going to be obsoleted and replaced by 0-1850S

CNC Machined out of Billet Aluminium Made in Australia by Cassell Marine

When the package arrives from BSA

Ronstan Ball Bearing, Series 15 - Triple Block, No Shackle flame arrester Durable UV resistant polyethylene outersFeatures: 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 Applications: Dinghy control lines Vangs, cunninghams and tweakers Shock cord tensioning systems Materials: BB sheaves: UV stabilised acetal Ball bearings: Stainless steel Cheeks: Grade