Climbing Innovations Foldable SAKA (Self Advancing Knee Ascender) 11.7mm Silky saws are designed to

Silky saws are designed to cut on the pull stroke

which make rope handling especially efficient when working with spurs

6 oz Material light alloy

and Black/Natural

Climbing Innovations Foldable SAKA (Self Advancing Knee Ascender) 11.7mm Silky saws are designed toDetails ~ The SAKA is the most efficient, functional, and versatile knee ascender available. Use it straight from the package or customize it to fit your needs. The SAKA uses a great ascender with progressive tooth patterns and a rope friendly spring. Will work on common Arborist Climbing Rope sizes, from 9mm to 13mm. Super stretch bungee with Dyneema cover & solid rubber core improves performance and wear resistance Non load bearing doubled bungee