Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek
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B Series 30 Ball Bearing Orbit Block 153 - Cheek B br br Ball Bearing Orbit Blocks 153 boast the highest strength-to-weight ratio available This is achieved through all-composite reinforced polymer materials and multiple attachment options br 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 beckets br br B Features B br UL LI Lightweight br LI Highest working load in its class br LI Secure versatile and secure attachement br LI Low profile and compact LI UL br br B Applications B br UL LI Mainsheet systems and spinnaker sheets on dinghies to 5M 16 br LI Halyard vang and backstay applications on boats to 5M 16 br LI Control line applications on larger yachts LI UL br br B Materials B br UL LI Sheave High compression strength carbon black Acetal br LI Ball Bearings High compression strength Acetal br LI Frame Cheeks Toughened glass fiber reinforced Nylon br LI Link UV stabilized multi-strand impregnated SK75 Dyneema reg LI UL br br B Specifications B br B Sheave 216 B 30mm 1-3 16 br B Max Rope 216 B 8mm 5 16 br B M W L B 300kg 660lbs br B B L B 600kg 1 320lbs br B Weight B 21g 0 7oz --- cis2 mmxtmJVt --- br
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