Ronstan Series 55 Ball Bearing Orbit Block - Single - Becket - Swivel Head [RF55110] Marine Binoculars Sealed switch mechanism resists moisture

Sealed switch mechanism resists moisture

This platform comes pre-drilled for just about all open and closed dome radars

The installed Float-a-Pump provides positive flotation for pumps dropped overboard

AC input (max

Ronstan Series 55 Ball Bearing Orbit Block - Single - Becket - Swivel Head [RF55110] Marine Binoculars Sealed switch mechanism resists moistureSeries 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