Aluminum body sheave box with a choice of three sheaves.

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 suitable for use in the deck of a boat or any other surface which requires rope or wire to be passed through.

Key Features:

Durable Construction: The body is made from forged aluminum for long-lasting performance.

Various Sheave Options: A choice of three sheave materials and bearing options to suit your specific application.

Versatile Compatibility: Suitable for a wide range of mast sizes and applications.

Sheave Options:

Acetal Plain Bearing: The lightweight, low-maintenance option. Suitable for maximum working loads up to 300Kg. Can be used with rope and wire.

Aluminum Plain Bearing: Suitable for maximum working loads up to 300kg. Can be used with rope and wire. Ideal for highly statically loaded applications.

Stainless Steel Dynamic: The lowest friction for maximum performance option. Suitable for maximum working loads up to 300Kg. Ideal for fast running systems. Can be used with rope and wire.

Sheave Measurements - Diameter 25mm, Width 8mm