![Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/42605/59021/109044XL__74328.1749430695.jpg?c=1 "Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]")
![Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/42605/59021/109044XL__74328.1749430695.jpg?c=1 "Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]")
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.
![Barton Size 3 45mm Plain Bearing Pulley Block Stanchion Lead Block [N03190]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/42606/59022/109045XL__62129.1749430697.jpg?c=1 "Barton Size 3 45mm Plain Bearing Pulley Block Stanchion Lead Block [N03190]")
![Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/39999/55249/106494XL__43855.1730823282.jpg?c=1 "Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160]")
![Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w\/Swivel [N03230]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/40021/55271/106550XL__93432.1730855855.jpg?c=1 "Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w\/Swivel [N03230]")
![Barton Size 4 58mm Plain Bearing Pulley Upright Block [N04150]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/40601/55973/106985XL__81589.1732677170.jpg?c=1 "Barton Size 4 58mm Plain Bearing Pulley Upright Block [N04150]")
![Barton Marine Size 3 45mm Plain Bearing Pulley Block Single With Fixed Eye [N03110]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/40020/55270/106549XL__53754.1730855852.jpg?c=1 "Barton Marine Size 3 45mm Plain Bearing Pulley Block Single With Fixed Eye [N03110]")