420/470 Super Spars Jib Halyard Sheave Box – Ball Bearing
The Super Spars jib halyard sheave box features a ball bearing sheave for smooth and efficient halyard operation. Built for performance dinghies, it fits easily into mast cut-outs and offers durable, low-friction operation.
Cut-out length: 54 mm
Width: 14 mm
Hole spacing (centre to centre): 71 mm
Sheave type: Ball bearing
