Like the 5 Series blocks, but with Schaefer's ball-bearing sheave. Curved ball races allow Schaefer ball-bearing blocks to take higher loads than other similarly sized blocks.
5 Series Hinged fairlead block. Delrin® ball bearing sheave has a low profile keeping control lines/halyards close to the deck on a low-friction sheave. Stainless Steel base and cheeks ensure a strong base.
Note: Special Order Only
