Mainsheet rollerThe A. 597 was developed to reduce friction on the mainsheet. Ideal for making pumping or general trimming of the mainsheet easier. Perfect for any dinghy that has a mainsheet jammer. Especially classes that run a spilt tale mainsheet or have class legal pumping. The top roller allows for forcefull pumps in an upward direction that wont gradually wear through the rope guide. The reduction in friction will also result in less energy expenditure for the

You’ll find a 20mm block to suit most control line applications

Designed with the feedback from 49er Olympic Team Allen sailors – perfect for the jib sheet

For information on how to keep your hi-fits as smart as possible

Viadana INOX 25mm single ball bearing block

it offers the ultimate semi-dry top for protection in the harshest of climates

No-Wear Guards are made of 316 Stainless Steel

Fixing hole spacing - 56mm (2 13/64")

high quality texture which feels incredibly warm and soft next to your skin

Sheave size: 20 mm (25/32")

Jammers are vertical for mounting on gunwale

with stainless steel rivets

PK back-zip closure with zip flap