The size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass filled nylon and Acetal sheaves to maximise their strength whilst keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system is required on dinghies, dayboats, and lightweight cruisers.
From premium boat parts to trusted boat repair and convenient mobile boat repair, we proudly serve boaters throughout Clearwater, Tampa Bay, and Central Florida.
![Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]](http://www.essentialmarineservices.com/cdn/shop/files/109044XL.jpg?v=1749438639&width=1445)