DMM Revolver Screw Gate Locking Carabiner

DMM Revolver Screw Gate Locking Carabiner
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The DMM Revolver Screw Gate Locking Carabiner is now a well-established part of a comprehensive Trad leading rack. The carabiner uses rolling friction rather than the sliding friction of the rope over the bar typified by a standard carabiner. In this case the rope rolls over the pulley wheel which means much less friction is created. Less friction means less force holding the climber back, which makes upward progress a lot easier. Since the rope rolls over the roller, there will be less wear and tear on your rope which will increase its working life considerably. Also, by reducing the friction the forces involved when a climber falls are more evenly distributed throughout the system, resulting in less force being inflicted on the last piece of protection placed. If this last piece is marginal, it could be a very real benefit.


Please note that the Revolver is not recommended for frequent use lowering situations. In these instances you should choose a suitable pulley or connector which can handle the wear.



  • Weight: 64 g/  2.26 oz
  • Major Axis: 24 kN
  • Major Axis Gate Open: 9 kN
  • Minor Axis: 7 kN
  • Gate Opeing: 16 mm
  • Rope Bearing Surface Width: 10 mm


  • Certified as both a carabiner and a pulley, this biner features a friction reducing 7075 series pulley that will continue to rotate with loads up to 11 kN before deformation occurs
  • Get overall reduced rope friction with a pulley that runs on a dry lube IGUS bearing situated on a stainless steel sleeve and spindle
  • Lock the gate into place for belaying with the Screwgate mechanism
  • Use this biner for years to come; it's been anodized for protection against the elements
  • You won't need to worry about a lot of maintenance with this biner, the IGUS bearing works without lubrication; but, periodic cleaning and lubrication will prolong its use
  • Keep your ropes safe from snagging with the keylock nose
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