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With a massive Minimum Breaking Strength (MBS) of 300kN and a Working Load Limit (WLL) of 60kN, the Large Impact Block sets new standards in handling massive drops.

XCalibur Large Impact Block


XCalibur Large Impact Block

:: Specifications

  • Conforms to EN12278:2007 NFPA 1983 (2012 Ed) Class G
  • CE certification to European Machinery Directive 2005
  • Hot forged cheek plates in aluminium for high strength to weight ratio
  • CNC machined from high grade aluminium
  • Anodised to BS EN ISO 7599:2010 class AA10 sealed for corrosion protection
  • Stainless Steel 303 hollow spindle [large only]
  • Corrosion resistant stainless steel anchor pin
  • Efficient and robust Bronze self lubricating oilite bushings
  • Aluminium alloy sheaves
  • Strength 300kN
  • WLL 60kN
  • Dimensions 225x120x97mm
  • Weight 3470g

:: Features

  • Rounded edges to cheekplates maintain low rope abrasion when rope is fed unfair. Upper sheave opens via a threaded locking axle for added security. Thrust surfaces increase tolerance to external loading of spindle and anchor pin. Lightweight attachment sling facilitates hauling of block, sling and rope to the climber and helps with handling, in tree stowage and workshop storage. Direct connection to cordage, the anchor slings helps ensure correct neighbour component compatibility. High efficiency oilite bushings to reduce friction. Colouring follows EU WLL protocol.

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