Ronstan Series 30mm Single Swivel Orbit BB Block, Becket Drain Plugs The patented bearing system uses

The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load

non-ferrous metals

secure attachment to mainsail head

1 BRONZE 45 STREET ELBOW

Ronstan Series 30mm Single Swivel Orbit BB Block, Becket Drain Plugs The patented bearing system usesBall 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 fibre reinforced composites in the block head, cleat arms and beckets. Applications Mainsheet systems and spinnaker sheets on