Series 40 All Purpose Block – Double Block – Full Swivel Head . All 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 swivels freely.. Features:. Exceptionally high working loads. Low maintenance, long service life. Self-lubricating sheave. Slotted pin shackle eliminates fouled lines. Two way head post Applications:. Mainsheet. Halyard. Vang. Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26′) Materials:. U.V. stabilized Acetal sheaves. Impact and U.V. resistant, fiber reinforced Nylon cheeks. Grade 316 stainless steel bearing race. Grade 316 stainless steel load strap and head fitting Specifications:. Sheave : 40mm(1-9/16"). Max. Rope : 10mm(7/16"). Pin : 5mm(3/16"). M.W.L.: 600kg(1,320lbs). B. L.: 1,200kg(2,650lbs). Weight: 135g(4.8oz).
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