Prusik Cord

A 5mm cord is generally the standard for creating friction hitches on standard climbing ropes, as it provides enough surface area to grip effectively without being too bulky. However, always ensure the diameter ratio between your prusik cord and your main climbing rope is appropriate for the specific hitch you intend to tie.

This cord is specifically engineered with a balance of firmness and suppleness that standard accessory cords often lack. This construction allows the knot to grip the climbing rope securely under load while remaining easy to slide when unweighted, and it resists the 'locking up' that makes knots difficult to untie after use.

Yes, this cord is well-suited for creating friction hitches like the Prusik or Autoblock used in rappelling backups. Its supple nature allows it to bite into the climbing rope reliably, providing the controlled friction needed for a secure backup.

Nylon is the industry standard for prusik cords because it offers excellent durability and the necessary friction properties. While it will naturally show wear from repeated friction and heat, this cord is designed to maintain its shape and handling characteristics throughout its lifespan.

A minimum breaking strength of 500 daN (decanewtons) is roughly equivalent to 500 kilograms or about 1,100 pounds of force. While this is sufficient for friction hitches and positioning, remember that prusik cords are intended for progress capture and backup systems, not for lead climbing falls or primary anchor points.