![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Safety | Safety Lights CHIRP ClearVü and CHIRP SideVü](https://cdn.shopify.com/s/files/1/0499/1942/6726/products/70615XL.jpg?v=1605267232)
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CHIRP ClearVü and CHIRP SideVü scanning sonar and Panoptix™ support (transducers sold separately)
vehicles and stationary systems
Cable Length (Feet): 33'
Control lines on dinghies and catamarans to 5M(16')
Box Dimensions: 13"H x 29"W x 30"L WT: 33
Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Safety | Safety Lights CHIRP ClearVü and CHIRP SideVüSeries 40 Ball Bearing Block Single Upright Lead Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Applications: Typically used for halyards at the mast base. Materials: Acetal ball
