Series 50 High Load Block – Single – Universal HeadIdeal 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 required.Features:Exceptionally high working loadsLightweightCheek cut-outs for easy bearing maintenanceSuitable for both rope or wireCaptive Lock universal headSlotted pin shackle eliminates fouled linesApplications:MainsheetSpinnaker sheetsHalyards and other primary applications on boats up to 10M(33′)Materials:Nylatron sheaveGrade 316 stainless steel load strap and head fittingImpact and U.V. resistant, fiber reinforced Nylon cheeksSpecifications:Sheave :50mm(2″)Max. Rope : 12mm(1/2″)Max. Cable :5mm(3/16″)Max. Pin : 5mm(3/16″)M.W.L.:800kg(1,760lbs)B. L.:1,500kg(3,310lbs)Weight:117g(4.1oz)