40 mm Ball Bearing Block - Single, Through-Deck block Car It is easy to install

It is easy to install on deck with 2 M4 screws

is designed for mainsheet applications on medium sized yachts

It features a stainless steel strap for safety and longevity and glass fiber reinforced composite cheeks to prevent jamming

The BBB60 Cheek Block features a flat base for easy mounting on deck or bulkheads

this block provides superior strength and smooth operation

40 mm Ball Bearing Block - Single, Through-Deck block Car It is easy to installThe BBB40 Single Through Deck Block is designed for running lines through deck coamings or bulkheads. The 40 mm sheave is supported by stainless steel ball bearings, ensuring smooth, friction free operation under medium loads. Glass fiber reinforced cheeks and box provide strength. Ideal for moderate and dynamic loads with minimal friction. BlockType: td,single SubType: td single Breaking Load: 500 kg Safe working Load: 250 kg System: BBB40 Max line