40 mm Ball Bearing Block - Double, Through-Deck block Twin-Cam mainsheet systems and boom vang

mainsheet systems and boom vang

Comment: Hole spacing 76mm

Glass fiber reinforced cheeks and Delrin ball bearings ensure smooth operation under heavy dynamic loads

it offers high strength and low friction

Use for control lines on dinghies and keelboats

40 mm Ball Bearing Block - Double, Through-Deck block Twin-Cam mainsheet systems and boom vangThe BBB40 Double In Line Through Deck Block is designed for passing lines through deck coamings or bulkheads. It features two 40 mm sheaves supported by stainless steel ball bearings for smooth, low friction operation under medium loads. Glass fiber reinforced cheeks and box provide durability. Ideal for moderate and dynamic loads with minimal friction. Breaking Load: 500 kg Safe working Load: 250 kg Max line size: 10 mm