Ronstan Ball Bearing Orbit Block Series 30 - Triple Cleat ronstan series 25 jib lead cars - rc72506 Hose sizes are internal hose

Hose sizes are internal hose sizes

2 x Bearings

Impeller - OMC Type suits 277181/434424

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

Removable Mic/Chin Boom

Ronstan Ball Bearing Orbit Block Series 30 - Triple Cleat ronstan series 25 jib lead cars - rc72506 Hose sizes are internal hoseRonstan 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.