Heavy duty polished gunmetal bronze with a tapered outer head to lower drag

A favourite with ocean crews

The full series of 3M products created specifically for gelcoat includes 3M™ Perfect-It™ Boat Wash

If trailering with the cover on the boat at speeds greater than 60kph

Quick drying

Ronstan Series 20 High Load Exit Block with Side Tabs RF20711AHL Lewmar HTX Heavy duty polished gunmetal bronzeSeries 20 high load exit block with Nylatron sheave and side tabs. Requires 2 x 4mm (5 32) fasteners. Specifications Product Specifications Type of Block Exit Sheave diameter (mm) 20mm B. L. (kg) 1000 M. W. L. (kg) 275 Max. Rope diameter (mm) 6 Weight (g) 22 Wire (mm) 3 Fastener (mm) 4. 0 Qty. Fasteners 2