Ascenders & Descenders
Ascension Ascenders
Petzl

• Ergonomic molded handle for comfortable, powerful grip
• Wide opening
• Allows handle to be easily grasped, even when wearing gloves
• Toothed cam with self-cleaning slot
• Wide lower hole will accommodate two carabiners
• Upper hole for clipping a carabiner around the rope
• Available in right- or left-handed versions
• Weight 0.36 lb (165 g)

Ascenders & Descenders
Looping Four-Step Etrier
Petzl

• Attaches to an ASCENSION Rope Clamp or to an anchor
• Underfoot strap is abrasion-resistant and slightly rigid to make it easier to step into

Ascenders & Descenders
Quick Up Ascenders
Climbing Technology

• Left or right-hand light-alloy ascenders
• With ergonomic rubber-grip handles for climbing ropes
• Cam opening lever usable with one hand
• Patented system for unlocking the cam
• Unlocks cam with just one downward movement necessary
• New anti-inversion steel cam system
• Minimizes rope wear but is effective in blocking and ascending rope

Ascenders & Descenders
Croll S Chest Ascender
Petzl

• Compact, lightweight chest rope clamp
• Used with the ASCENSION handled rope clamp for rope ascents
• Stainless steel cam and wear plate for durability and corrosion resistance
• Rope channel is reinforced with stainless steel for greater durability
• Catch is opened by pinching for simple, quick manipulation
• Lower hole is angled to keep the device flat
• Upper hole for attaching a shoulder strap to keep the rope clamp in position
• Weight 0.19 lb (85 g)

Ascenders & Descenders
Rescucender Cam Loaded Rope Clamp
Petzl

• Designed for use in haul systems as a tractor or progress-capture device
• Ergonomic and simple to use
• Openable cam allows installation or removal of the rope
• Clamp at any point on the rope
• Independent safety catches on each side
• Allows easy opening while reducing risk of accidental opening
• Safety catches are equipped with an unlocked indicator
• Cam is integrated into frame of device to facilitate handling
• Large attachment hole to facilitate carabiner rotation
• Weight 0.57 lb (260 g)

Ascenders & Descenders
I D Evac Self-Braking Descender
Petzl

• Designed for lowering from an anchor
• Integrated anti-panic function and anti-error catch
• Limits the risk of an accident due to user error
• AUTO-LOCK system
• Allows rope to be locked without manipulating handle or tie off device
• Use for descending heavy loads up to 550 lb (250 kg)

Ascenders & Descenders
I D Self-Braking Descenders
Petzl

• Easy rope installation
• Rope can be installed while device remains connected to harness
• Anti-error catch
• Reduces risk of incorrect rope installation
• Ergonomic handle enables comfortable control of descent
• AUTO-LOCK system
• Automatically locks device on the rope when handle is released
• Anti-panic function
• Automatically stops descent if user pulls too hard on the handle
• Weight 1.32 lb (600 g)

Ascenders & Descenders
No Worries Double Stop Descenders
3M DBI

• Reversible descent control and rescue device
• Multi-function design for added versatility
• Two-person rescue loads rated up to 661 lbs.
• Auto-stop - anti-panic grab descent mechanism
• Soft-lock capability for added protection
• High-capacity belay functionality
• Meets ANSI Z359.4-2013 & NFPA 1983 (2012ED) T
• Inline bobbin design
• High-strength aluminum and stainless steel construction
• Unique toothless cam designed for pure friction control

Ascenders & Descenders
Fisk Descender
3M DBI

• The simplest, most effective descent control system
• Gentle flow for 19'' of working line to pass through descender
• Large radius for smoother descent
• High-strength stainless steel