Ronstan Ball Bearing Orbit Block Series 30 - Triple Cleat ronstan series 25 jib lead cars - rc72506 5mm Deep x 57mm accross

5mm Deep x 57mm accross splines with a 16mm internal shaft

OMC Engines

Removable Mic/Chin Boom

Includes spring clip

Elevate your maritime experience with the Fender Heavy Duty Majoni

Ronstan Ball Bearing Orbit Block Series 30 - Triple Cleat ronstan series 25 jib lead cars - rc72506 5mm Deep x 57mm accrossRonstan Ball Bearing Orbit Block, Series 30 Triple, Cleat. 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 fibre reinforced composites in the block head, cleat arms and beckets.