Ronstan Series 55 Ball Bearing Orbit Block - Single - Becket - Swivel Head [RF55110] Automotive/RV | Fresh Water Accessories The clamp is welded to

The clamp is welded to the tube with either a fin or an oval rod for maximum strength

The A-Series is the product that launched the Polyform story

REMOTE UP/DOWN CONTROL

Over temperature shutdown

Ronstan Series 55 Ball Bearing Orbit Block - Single - Becket - Swivel Head [RF55110] Automotive/RV | Fresh Water Accessories The clamp is welded toSeries 55 Ball Bearing Orbit Block Single Becket Swivel Head Lightweight Kilogram for kilogram of working load, BB and RT Orbit Blocks are the world's lightest. The unique orbital design allows the bearing to only be in the active areas of the floating sheave. This minimises the mass of the inactive return race and hub. Weight and bulk are further reduced in the different block configurations. The ball bearing single and becket block has a through