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Ronstan 40 mm All Purpose Double Block w/ Swivel

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Double Block
40 mm


Typically Ships from Portland, OR in 7-10 Days

40mm double block with swivel from the Ronstan All Purpose (AP) blocks range, a great all around solution for a variety of rigging applications. 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. The Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Features U.V. stabilised Acetal sheaves, impact and U.V. resistant, fibre reinforced Nylon cheeks, and Grade 316 stainless steel bearings.

  • 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
  • Max Rope Diameter - 7/16 in / 10 mm
  • M.W.L. - 1320 lb 
  • B.L. - 2650 lb 
  • Weight - 4.8 oz