Yale Kernmaster, 3/8", Black
Yale Kernmaster, 3/8', Black

Yale Kernmaster, 3/8", Black

Yale Cordage

  • • Average breaking strength: 4,000 lbs (400 lb working load limit)
  • • Maximum stretch within working load: 6%
  • • Ideal for climbing and rappelling applications
  • • Kernmaster has good energy absorption and performs more like a 24-strand than other kernmantles, allowing for both access and DdRT climbing

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Kernmaster is a static-rappelling line constructed with a traditional "mantle" sleeve consisting of 48 strands of polyester. The inside, or "kern," is a braided core of energy-absorbing nylon. The core is fully steam-stabilized to enhance the rope's flexibility and prevent hardening in service. 

The braid also bends more easily and with less fatiguing of the core when cycled over sheaves or dropped over a parapet. The sleeve is either white with red tracers or solution-cast fiber (color added prior to yarn production), which makes for lasting colors and enhanced wear resistance.

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