54mm Blocks - Size 4/5

Size 4/5mm Blocks are ideal for use on small and medium size cruising yachts up to 10m (32ft). Featuring both plain bearing and ball bearing options, they are very robust and strong.

Choose from a range of single sheave, double sheave or triple sheave blocks, each available with fixed eye, double tang, snap shackle or swivel shackle attachments and with becket options to enable to tie off rope used for multi purchase systems. Fiddle & triple blocks come with a cam cleat option, they are used with double or triple blocks for multi purchase downhauls and kicking straps.

Cheek blocks, upright blocks and stand up blocks are designed to be screwed into the deck to direct control lines from a fixed position.

Plain bearing blocks

Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.

Ball bearing blocks

With Barton's unique super-low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter centre boss. This allows us to fit more load-bearing balls, which ensure extremely low friction performance, even under high loads.

• Single 54mm x 17mm (2 1 /8 x 5/8")
• Fiddle 38/64mm x 17mm (1 1 /2 x 2 1/4" x 5/8")
• Max rope diameter 12mm ( 7 /16")
• SWL 750Kg (1650 lbs)
• Break load 1500Kg (3300 lbs)
• Max rolling load (ball bearing blocks) 525kg 1157 lbs)