Allen 20mm Aluminium Sheave Box Stainless Plain Bearing Sheave Boat Inter Club measure distance between any two

measure distance between any two points

Gain control for front and rear channel

scuba diving

Bearing Height 5/8" (16 mm)

Allen 20mm Aluminium Sheave Box Stainless Plain Bearing Sheave Boat Inter Club measure distance between any twoThe 20mm aluminium sheave box offers a durable, high performance solution for enhancing the efficiency and longevity of your rigging system. Its easy to remove axle pin makes maintenance and swaps a simple task, held in place by either the mounting surface or the included curved backing plate. This versatile box is ideal for sailboat masts and deck installations, with various sheave materials and bearing options available for specific applications.