Series 40 High Load Block - SingleFeatures:Exceptionally high working loadsLightweightCheek cut-outs for easy bearing maintenanceSuitable for both rope or wireCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesIdeal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as requiredApplications:HalyardsBackstaysVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)Materials:Nylatron; sheaveGrade 316 stainless steel load strap and head fittingImpact and U.V. resistant, fiber reinforced Nylon cheeks