Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Brand_Thetford Marine MACHZero: 87 mm (3

MACHZero: 87 mm (3

USB "Plug & Play" connectivity

340) to horizontal surfaces - e

240 Watts peak power

Can be run dry without damaging the pump

Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Brand_Thetford Marine MACHZero: 87 mm (3Series 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