Series 40 Ball Bearing Block - Fiddle - Becket - CleatFeatures:Low friction Acetal or Torlon; bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit removable becket pinMulti-position cleat armLow friction, 2-stage ball bearing systemHigh static and dynamic load capacityLightweightCheek cut-outs for easy bearing maintenanceSheaves 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. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting and is iApplications:MainsheetHalyardVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats  up to 8m (26ft)Typically used in direct 4:1 purchase systems such as mainsheets and boom vangsOn larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.Materials:Acetal ball bearingsUV stabilized Acetal sheaveGrade 316 stainless steel load strap and head fittingImpact and UV resistant, fiber reinforced Nylon cheeks