A9B - 25 x 8MM B/B ALLOY SHEAVE BOX MEDIUM Through Deck Bush Description = Piston triggered spinnaker

Description = Piston triggered spinnaker pole end

Description = Back to back block

Features a 30mm dynamic sheave

Part # = A4988XDescription = 180 deg

A9B - 25 x 8MM B/B ALLOY SHEAVE BOX MEDIUM Through Deck Bush Description = Piston triggered spinnakerPart # = A 9B Description = Stainless steel ball bearings and sheave Sheave Width (mm) = 8 Sheave Dia (mm) = 25 Clot Size (mm) = 44 X 13 Hole Centres (mm) = 57 Hole Size (mm) = 4 Weight (g) = 38 Aluminium Sheave Box Medium Aluminium body sheave box. With an easy to remove axle pin, sheaves can be maintained or swapped very simply. The axle pin is held in place by the surface the box is mounted to. Ideal for installation into sailboat masts, but also