![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101] Marine Safety | Accessories connections](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/55174XL.jpg?v=1591287757)
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Johnson Pump Marine Ultima Combo bilge pumps are JPM's proven Cartridge Bilge Pumps combined with the non-clogging electronic switch Ultima Switch™ for automatic operation
Designed to operate anywhere
hard anodized gearbox provides numerous advantages: - Fast and easy windlass installation - More corrosion resistant - Easy to maintain and service - Takes up less room in the anchor locker - 75:1 Ratio (RC12-10) or 100:1 Ratio (RC12-12)
3/8" Diameter Bolt
Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101] Marine Safety | Accessories connectionsSeries 30 Ball Bearing Orbit Block Single Becket Lashing Head Ball Bearing Orbit Blocks boast the highest strength to weight ratio available. This is achieved through all composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber reinforced composites in the block head, cleat arms and