DMM Impact Block Large



  • A hugely strong impact block designed to handle huge drops
  • Rounded edges to cheekplates maintain low rope abrasion
  • Fairlead flares help maintain high working efficiency
  • Lightweight attachment sling facilitates hauling of block, sling and rope to the climber and helps with handling, in tree stowage and workshop storage
  • Thrust surfaces increase tolerance to external loading of spindle and anchor pin
  • Colour coded sheaves
  • Individual serial markings



  • Conforms to EN12278:2007
  • Conforms to NFPA 1983(2012 ED) Class G
  • Minimum Break Strain (MBS) 300kn
  • Working Load Limit (WLL) 60kn
  • Max Rope Diameter 16mm
  • Dimensions 225 x 120 x 97mm
  • Weight 3470g

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