Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Outdoor | Backpacks Fabricated from Marine Grade PVC

Fabricated from Marine Grade PVC with UV Inhibitors and Fungicides

Common applications include combining nav lights and anchor light with independent bulbs

or in overhead electronics boxes

tilted element inside the transducer accommodates all hull deadrises and eliminates the need for a fairing block

Northstar 24" (M Series/8000i) (w/ 19042 Adaptor)

Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Outdoor | Backpacks Fabricated from Marine Grade PVCSeries 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