Sheave Box Alloy (A8A)

Yacht sheave boxes are ideal for halyard exit and entry boxes with special side flanges to minimise friction. HA8A have a nylon casing and alloy sheave.
All are suitable for ropes up to 10mm in diameter.

Features:
Sheave Width: 12mm
Sheave Diam: 38mm
Slot Size: 69 x 24mm
Weight: 65g
Hole Centres: 65mm
Hole Size: 4mm