Ronstan Series 40mm Double 2-Axis Shackle Head BB Block, Becket Rail Fittings gap-filling polyurethane that delivers strong

gap-filling polyurethane that delivers strong

Certified: USCG Certified

and powerful two-handed grinding when loads are high

Electric models are available

Ronstan Series 40mm Double 2-Axis Shackle Head BB Block, Becket Rail Fittings gap-filling polyurethane that delivers strongSheaves 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