Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head Brand_Santa Barbara Olive Co Under 18 years of age:

Under 18 years of age: ask a doctor

Peak Power Handling - 8 watts

Reusable envelope is ideal for office

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Series 40 Ball Bearing Block - Single - Universal Head

Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head Brand_Santa Barbara Olive Co Under 18 years of age:Series 20 Ball Bearing Block Triple 2 Axis Shackle Head Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction Two Way head can be fixed at 0 or 90 Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls Materials: Stainless steel ball bearings UV Stabilized Acetal sheave Grade 316