Ronstan Series 40mm Double 2-Axis Shackle Head BB Block, Becket Rail Fittings integral toggle link to raise

integral toggle link to raise bottom drum assembly off deck to clear anchor windlasses

Electric models are available

but reflecting the modern form follows function of the highly successful RC6

(See reducers and adapters shown lower on this page)

gap-filling polyurethane that delivers strong

Ronstan Series 40mm Double 2-Axis Shackle Head BB Block, Becket Rail Fittings integral toggle link to raiseSheaves 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. Head can be locked at 0 or 90 by removing the shackle and changing the headpost orientation. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools. Applications Mainsheet