pstrongSeries 50 All Purpose strongstrongBlock - TriplestrongppstrongFeatures:strongpulliExceptionally high working loadsliliLow maintenance, long service lifeliliSelf-lubricating Acetal polymer sheave ensures low friction and extreme durabilityliliSlotted pin shackle eliminates fouled linesliliLockable swiveling head postliliSnap fit removable becket pinliulpAll 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.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.ppstrongApplications:strongpulliMainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)liliS60 - on boats up to 12m (40ft)liulpstrongMaterial