Sterling Bound Loop Prusiks

A high strength multi use rope grab

The innovative Sterling Bound Loop Prusik(BLP) consists of 8mm Prusik Cord sewn into either 40cm or 55cm loops. The stitched connection is covered with heat shrink tubing allowing the carabiner connection end to be pulled up snug around the carabiner. This keeps the connection point located near the spine of the carabiner (the strongest point) and prevents the prusik jumping up over the becket of a pulley during a dynamic event (as can happen with conventional ‘tied’ prusiks). Sterling BLPs are perfectly matched to the standard sized prusik-minding-pulley and can be used together (one 40cm and one 55cm) as a ‘tandem prusik belay’. Lengths are also colour coded for easy identification.

Other features of the Bound Loop Prussik include:-
  • excellent for any interface in hauling/mechanical advantage systems
  • 8mm Prusiks offer the greatest purchase on 11mm rope
  • BLPs are very strong yet will not overload a system; the prusik will slip under excessive load
  • BLPs negate the need for any mechanical rope grabs or ascenders in wilderness rescue kits.

Still not convinced to give the Sterling Bound Loop Prusik at try? Why not have a look at our Tech Tip on Sewn Prusiks, for why we like to use them?      

Please note that adequate training and judgment are needed to reduce the risks inherent in the use of this equipment. It is the responsibility of the purchaser to ensure that the user is adequately and competently trained in the use of this product. We strongly advise that you do not use any Sterling product without first undertaking appropriate training.



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8mm nylon cord

40cm: 24.1kN
55cm: 22.3kN

Mountaineering and technical rope work are potentially hazardous activities and cannot be made safe. Any person using Sterling Rope equipment in any manner is personally responsible for learning the proper techniques involved, and assumes all risks and accepts full and complete responsibility for any and all damages or injuries of any kind, including death, which may result from misuse of any Sterling Rope product.

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