40 mm Ball Bearing Block - Double, Through-Deck block Twin-Cam It is ideal for guiding

It is ideal for guiding lines on deck and is easy to install with two M4 screws

Max line size: 6 mm

The BBB40 Linked Block combines a 40 mm and a 30 mm sheave for versatile rigging options

Use for control lines on dinghies and keelboats

in particular for short handed crews

40 mm Ball Bearing Block - Double, Through-Deck block Twin-Cam It is ideal for guidingThe 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