Series 40 Ball Bearing Block - Single - BecketFeatures:Low friction Acetal or Torlon; bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit removable becket pinSheaves 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.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or toolsApplications:MainsheetHalyardVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)Materials:Acetal ball bearingsUV stabilized Acetal sheaveGrade 316 stainless steel load strap and head fittingImpact and UV resistant, fiber reinforced Nylon cheeks