WINCH S46 - Self-Tailing, 2-speed, Aluminium ART Drum RBB80 The BBB30 Double Becket Block

The BBB30 Double Becket Block is a 30mm ball bearing block with a stainless attachment eye

4 x Monel pop-rivets ø6

It features ø40 mm plain bearing sheaves for 4:1 purchase of the control lines and an aluminium arm with a size 38 mm Cam-Cleat

Length: 138 mm

Composite sheave used mainly for boom ends and head boxes

WINCH S46 - Self-Tailing, 2-speed, Aluminium ART Drum RBB80 The BBB30 Double Becket Block2 speed self tailing winches Assymetric Rib Technology ART The drums we are using for our new manual and electric winches are forged and machined hard anodised aluminium with vertical ribs located in an asymmetric pattern. Any line under load will become slightly dented where it rests over a rib and if all ribs were located symmetrically, all dents would simultaneously jump to the next rib when releasing the line. And the next one, and the next one