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

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

Includes 471 Micro Carbo-Cam® cleat

with gasket seal

Ronstan Series 20 High Load Exit Block with Side Tabs RF20711AHL Lewmar HTX If trailering with the coverSeries 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