Selden 404-101-02 Block, BBB40 Single Strap Shop-by-Boat-4000-4000-Hull-Parts The webbing is an expensive

The webbing is an expensive spectra webbing so that it slips nicely along the boom

free-rolling high-load ball bearings and has UV stabilized sheave & sideplates

damages under the hardware pad eyes

Length: 52mm

ensure you seal the screw in the mounting as a leak here will allow water directly into the hull

Selden 404-101-02 Block, BBB40 Single Strap Shop-by-Boat-4000-4000-Hull-Parts The webbing is an expensiveTechnical Features Stainless Steel ball bearing races, stainless Steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads Acetal bearing cage to prevent ball to ball friction and to reduce weight Composite, 50 50 Glass Fibre Polyamide Specification Max. Rope (mm) S. W. L (kg) B. L (kg) Weight (g) 10 250 500 45