Description
Size 3 45mm Plain Bearing Pulley Block Double Upright Block
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.
Suitable for up to 10mm (3/8″) rope.
Explore more from our collection.
![Barton Size 3 45Mm Plain Bearing Pulley Block Double Upright Block [N03250] 1](https://carpartsgear.shop/wp-content/uploads/2026/06/109044XL-syXj9O.tmp_.webp)
![Ronstan Series 40 All Purpose Block - Single Upright Lead [Rf41171] 1](https://carpartsgear.shop/wp-content/uploads/2026/06/70602XL-vmTy49.tmp_.webp)
![Barton Marine Size 2 Snatch Block W/Stainless Snap Shackle - 35Mm Sheave [90301] 1](https://carpartsgear.shop/wp-content/uploads/2026/06/99157XL-XkVJOE.tmp_.webp)
![Ronstan Wire Block - Tubular Rivet Head W/Nylatron Sheave - 25Mm (1") Sheave Diameter [Rf418] 1](https://carpartsgear.shop/wp-content/uploads/2026/06/55035XL-eAF7At.tmp_.webp)
Reviews
There are no reviews yet.