Check the listing for details. Tree Climbers Ascenders, HAAS VELOX ASCENT System, 08-98110. Condition: New. Listed at 195.00 USD. Tree Climbers Ascenders, HAAS VELOX ASCENT System, Adjustable Foot Loop. 08-98110 Copy this link bellow to watch a video on how the Haas Velox System workshttps://youtu.be/3mXDyzmrNNEPatented design improves on the already ingenious HAAS Ascent System by giving you an additional 18" of bungee in the system for a total of 30".Double tube system allows 30" of in-line bungee to be contained within the unit for over 30" of elongationVersatile ascent system has zero set up and can be used by multiple users without adjustmentSnap is tied just above the ascender, extracting out up to 30" to eliminate any set up as well as any "dead spots" in the return actionDesigned to maximize friction reduction with a bungee that terminates at the top of the Velox, travels down the channel to the bottom where it wraps around a sheave with sealed stainless steel bearings inside a machined aluminum blockBungee returns up a second channel where it is tied to a snapBungee is replaceable in under five minutes with no toolsMPN08-98110TypeKneeWeight (lbs)1.03