Kernmaster 11mm Climbing Rope

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$139.00 to $393.00


BREAKING STRENGTH32.5 kN (7,300 lb)
DIAMETER11mm (7/16")


Yale's Kernmaster is flexible for SRS and MRS climbing.

Yale's Kernmaster is a Kernmantle climb line with good energy absorption. The core fibers of Kernmaster are braided, unlike most other kernmantles, which makes it perform more like a 24-strand, allowing for both access and DdRT climbing using quick hitches. The supple hand of Kernmaster works well with hybrid SRT devices like the Hitch Hiker.


  • Manufacturer: Yale Cordage
  • Diameter: 11mm (7/16")
  • Construction: Kernmantle
  • Tensile strength: 32.5 kN (7,300 lb) ABS
  • Elongation: 3% at 10% ABS
  • Weight per 100' / 100m: 5.5 lb / 8.2 kg
  • Spliceable: No
  • Sewn Eyes: Yes
  • Made in the USA

Yale Kernmaster rope is available in custom lengths on our bulk climbing rope page.

Kernmaster is available on a 600' reel on our climbing rope reels page.

You can add eyes on our rope splicing service page. (Check rope listing for available splice types.)

WesSpur Review

This rope from Yale has been around for a while. It turns out that it makes an excellent SRT line when using hybrid work systems like the Ropewrench, Unicender, and Hitchhiker. It is a Kernmantle rope that utilizes a braided core instead of the more common parallel strands. It maintains excellent hand, knots well, and doesn't get 'cabled' or stiff like some static lines do when used. It has a Nylon core, which gives it energy absorption. This is an excellent choice for folks who are working a tree using SRT.


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