Description
Allen sheave boxes are available with either plain or ball bearings, a choice of sheave material, Acetal resin, pressure die cast high grade aluminium or high load stainless steel.
They are suitable for all types of halyard systems, control line systems and general running rigging. The Low profile range feature Allen's unique hook-in cage designed to deal with high loads of modern rigs.
- Sheave Width: 6mm
- Sheave Diameter: 25mm
- Slot size: 38mm x 10mm
- Weight: 24g
- Hole centres mm:
- Hole size: 4mm
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.

