Barton Ballbearing Single Block Swivel
Fully swivelling head with removable shackle.
A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft.With our 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.