Series 40 All Purpose Block - Triple - Becket - Swivel HeadFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating sheaveSlotted pin shackle eliminates fouled linesTwo way head postSnap fit removable becket pinAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.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 tools.Applications:MainsheetHalyardVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)Materials:U.V. stabilised Acetal sheavesImpact and U.V. resistant, fibre reinforced Nylon cheeksGrade 316 stainless steel bearing raceGrade 316 stainless steel load strap and head fittingSheave: UV stabilised acetalCheeks: Impact modified, fiber reinforced and UV stabilized nylon