Heat retaining Graphene-infused fleece lining for optimal insulation

Automatically reaches the most difficult places with the roll of the boat

36" and deactivates it when levels recede to 1

The "plus" switch is the 1st choice of boatbuilders worldwide

Ronstan Series 30 Utility Block, Ferrule Eye with Becket RF470 boat cover Heat retaining Graphene-infused fleece liningSingle, becket, ferrule eye head FEATURES Lightweight durable construction. Economical. Maintenance free. Specifications Product Specifications Type of Block Single Sheave diameter (mm) 30mm B. L. (kg) 600 M. W. L. (kg) 300 Max. Rope diameter (mm) 10 Weight (g) 45 Pin (mm) 10