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Handled and foot ascenders are key tools in SRT (Single Rope Technique) climbing systems. You'll find handled ascenders at the top of this page, followed by footstraps and ascender slings in the middle, and a variety of foot ascenders at the bottom of the page.
You may also want to check out our SRT kits.
The Petzl Ascension is our most popular handled ascender. The ergonomic design of the handle makes them nicer to use on long climbs. Toothed cam is easily engaged with a thumb lever. Two holes of different sizes provide attachment points for slings. Light-weight aluminum construction Makes a climbing system with the ascender foot strap and foot ascender.
Petzl’s new Ascentree double- handled ascender is the best way to get a two fisted grip on a line. Perfect for the secured footlock or the single rope technique, the Ascentree will accept 1 or 2 legs of rope up to 13 mm (1/2”). The toothed cams can be retracted for easy installation and removal. Holes in the frame above each cam will accept carabiners for attaching prusik back-ups and keeping the cams engaged.
The CMI Expedition ascenders combine CMIs experience in making durable, high-endurance climbing gear with a more comfortably shaped handle. Like all CMI products, this Ascender features a lifetime wear-out guarantee on the cams. Extra-large hand grip with holes for attaching slings or foot straps. Sold in pairs. Toothed cam. 1/2" capacity.
The CMI Twin Arborist Expedition Ascender is the first single-handled dual ascender designed to meet the needs of industry-leading arborist professionals. The "EXPTWIN" easily accommodates three rope techniques: the 2:1 doubled rope technique (DdRT), 1:1 single rope technique (SRT), and 1:1 twin line ascent (DdRT). It is intuitive and easy to use, has redundant safety features, and is the first ascender on the market to use one finger to actuate both cams for one-handed downward adjustability.
Weighs 15 ounces, measures 8" x 3.8", with MBS of 3,300 lb 1/2" capacity.
Chrome-moly steel ascenders are high strength,corrosion resistant, and have a lifetime wear guarantee on the toothed cams. The large size fits the hand more comfortably and has twin holes for attaching foot loops. Sold in pairs. 1/2" capacity.
New double ascender designed specifically for arborists. Fitted with safety system to avoid accidental dislodging of the rope and intrusion of branches. Works on doubled rope from 8 to 13mm (up to 1/2” capacity.) Toothed cam.
A radical new approach to climbing ropes, the Futura is here! The Kong Futura was designed by top cavers for tight places in the most remote areas on earth (or under it). Lightweight, with an ergonomic grip design, this hand ascender offers great functionality and takes up minimal room in your gear bag. 1/2" rope capacity.
Pair this with the Kong Futura Foot ascender below to build your Futura system and have some of the most compact SRT hardware available on the market!
Fully-adjustable. Simple, clean design dramatically reduces bulk of traditional etriers. 4" wide, heavy-duty vinyl steps. Fully-extended stirrup measures 6' long. Sold individually.
Adjustable, heavy-duty stitched nylon ascender foot strap with 1/4" delta link shackle. See the Tree Climbers' Companion for information on ascenders & slings. Sold individually.
Set of heavy duty stitched nylon ascender slings. One piece has multiple attachment points and twin foot holds, the other multiple attachments and loops on each end. Designed for a climbing system using two ascenders.
Lightweight, with an ergonomic design, this foot ascender offers super functionality and takes up little room in your gear bag. 1/2" rope capacity.
Pair this with the Kong Futura Hand Ascender to build your Futura system and have some of the most compact SRT hardware available on the market!
Used in connection with a handled ascender, this device can make rope climbing much easier and less tiring. The climber attaches it to the ankle and stands on the Dyneema reinforced foot strap. the cam engages the rope, allowing the climber to effortlessly maintain position. The toothed cam is a trigger cam with a cleaning slot so that it works even on dirty rope. Quick and easy to install, and reduces the amount of effort needed to climb. 1/2" rope capacity.
Rope climbing is made easier by the CMI Foot Ascender. The addition of this boot-mounted device maintains tension on the rope, allowing for easier advancement of the main ascender, and promotes better use of body mechanics by keeping your body in an upright position. The body is crafted from anodized aluminum, and the hard coated cams carry CMI's exclusive wear-out guarantee, the same as our popular Ultrascenders ascenders. 1/2” capacity.