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DMM Impact Block - Large Pulley - Skyland Equipment Ltd
DMM Impact Block - Large Pulley - Skyland Equipment Ltd
DMM Impact Block - Large Pulley - Skyland Equipment Ltd
  • SKU: IMB-L
  • Availability: in stock Many in stock Out of stock You can purchase this product but it's out of stock

DMM Impact Block - Large Pulley

£299.99 £333.33
Shipping calculated at checkout.
  • Manufacturer: DMM

Designed for use in the tree care industry when loads may be dropped into rigging with considerable impact forces.
The combination of high-quality materials and advanced production processes has ensured a rope friendly, durable and robust product.
During design, each Impact Block has gone through a thorough dynamic and static testing regime, the end result is a highly functional product with an impressive strength to weight ratio.


  • Rounded edges to cheek plates maintain low rope abrasion when the rope is fed ‘unfair’
  • Fairlead flares help maintain high working efficiency
  • 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
  • Individual serial marking
  • Made in Wales, UK
IMB - Large
  • Minimum breaking strength [MBS]: 300kN
  • Working Load Limit [WLL]: 60 kN
  • Maximum rope diameter: 20 mm
  • Weight: 3.47kg
Suggested Areas of Application
  • Tree care – dismantling operations
  • Forestry – winching operations
  • Rescue
Technical Specifications
  • CE certification to European Machinery Directive 2005
  • Hot forged cheek plates in 6082-T6 aluminium for high strength to weight ratio
  • CNC machined from 6082-T6
  • Anodised to EN-12373-1:2001 Class I0EI Sealed for corrosion protection
  • Stainless Steel 303 hollow spindle (IMB-L only)
  • Stainless Steel 303 anchor pin (IMB-S), or 174 anchor pin (IMB-L)
  • Efficient and robust Bronze self-lubricating oilite bushings
  • 6082-T6 aluminium alloy sheaves