RF41200 Series 40 All Purpose Block, Double Double sheave all purpose block with swivel shackle head (non-locking) FEATURES Exceptionally high working loads. Low maintenance, long service life. Self-lubricating sheave SPECIFICATIONS Product Specifications B.L. (kg) 1200 M.W.L. (kg) 600 Max. Rope diameter (mm) 10 Weight (g) 135 Pin Ø (mm) 5 Product Information 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. TECHNICAL INFORMATION MATERIALS U.V. stabilised acetal sheaves. Impact and U.V. resistant, fibre reinforced Nylon cheeks. Grade 316 stainless steel bearing race. Grade 316 stainless steel load strap and head fitting. Sheaves: UV stabilised acetal. Cheeks: Impact modified, fibre reinforced and UV stabilised nylon.