Triple-Action Twist Lock Carabiners
Triple action carabiners, which use a spring-loaded (autolocking) twist as one of the two locking actions.
| Image | Summary | ||||
|---|---|---|---|---|---|
 | Black Diamond Airlock Bayonet | S-spine | assisted | lift-and-twist | spring-powered manual locking mechanism |
 | Black Diamond Superlock (prototype) | asymmetric D | assisted | lift-and-twist | prototype model of the innovative BD Autolocker |
 | Black Diamond Superlock (25kN) (v2) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | Black Diamond Superlock (27kN) (v3) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | Black Diamond Superlock (28kN) (v1a) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | Black Diamond Superlock (28kN) (v1b) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | CMC Proseries Manual-Lock | asymmetric D | assisted | lower-and-twist | spring-powered manual locking |
 | CMC Protech Manual-Lock | asymmetric D | assisted | lower-and-twist | spring-powered manual locking |
 | CMC Protech Manual-Lock w/Keeper | asymmetric D | assisted | lower-and-twist | spring-powered manual locking, removable keeper |
 | CMC Stainless Steel ANSI Locking D | asymmetric D | assisted | lower-and-twist | modern ANSI rated stainless steel rescue carabiner |
 | CMC Stainless Steel Locking D | asymmetric D | assisted | lower-and-twist | modern stainless steel rescue carabiner |
 | DMM Big Boa Locksafe | HMS | full-auto | lift-and-twist | large, classic high quality triple-action |
 | DMM Boa Locksafe | HMS | full-auto | lift-and-twist | early triple-action carabiner |
 | ISC KH255 Swivel Eye (cap screw) | asymmetric D | full-auto | lift-and-twist | early intergrated-swivel carabiner |
 | ISC Offset Oval Karabiner | offset oval | full-auto | lift-and-twist | aluminum offset oval for professional work |
 | Kong HMS (Autoblock) | HMS | full-auto | lift-and-twist | keylock autolocker with dot peened Kong logo |
 | Mammut Bionic Crosslock | HMS | full-auto | lift-and-twist | bi-directional internal gate |
 | Metolius Rig Auto Lock | HMS | full-auto | lift-and-twist | large Metolius carabiner |
 | Pensafe A847PS Locksafe | asymmetric D | full-auto | lift-and-twist | clone of a DMM professional carabiner |
 | Petzl Am'D Ball Lock (metal sleeve v1) | asymmetric D | full-auto | press-and-twist | press-and-twist unlock |
 | Petzl Am'D Ball Lock (metal sleeve v1b) | asymmetric D | full-auto | press-and-twist | press-and-twist unlock |
 | Petzl Am'D Ball Lock (plastic sleeve v1) | asymmetric D | full-auto | press-and-twist | plastic sleeve button-lock |
 | Petzl Am'D Ball Lock (plastic sleeve v2) | asymmetric D | full-auto | press-and-twist | plastic sleeve button-lock |
 | Petzl Am'D Ball Lock (plastic sleeve v2b gold) | asymmetric D | full-auto | press-and-twist | plastic sleeve button-lock |
 | Petzl Am'D Triact v1 (gold) | asymmetric D | full-auto | lift-and-twist | classic triple-action |
 | Petzl Oxan TLA | offset oval | full-auto | lift-and-twist | ANSI rated gate, steel offset oval |
 | Petzl William Ball Lock (metal sleeve b) | HMS | full-auto | press-and-twist | excellent large HMS auto-locker in gold |
 | Petzl William Ball Lock (metal sleeve) | HMS | full-auto | press-and-twist | excellent large HMS auto-locker |
 | Proclimb USR-106-A3T | asymmetric D | full-auto | lift-and-twist | heavy, whitelabel cheap autolocker |
 | Rock Exotica Pirate | HMS | full-auto | lower-and-twist | lower-and-twist to unlock, offset gate |
 | Rock Exotica rockD Auto-lock | asymmetric D | full-auto | lower-and-twist | lower-and-twist to unlock |
 | Rock Exotica rockD ORCA | asymmetric D | assisted | lift-and-twist | assisted auto-locking |
 | Rock Exotica rockO ORCA | oval | assisted | lift-and-twist | assisted auto-locking |
 | Skylotec HMS Double Tri 2.0 | HMS | full-auto | lift-and-twist | unique bi-directional twist |
 | Skylotec passO Double Tri | HMS | full-auto | lift-and-twist | unique bi-directional twist |
 | Sterling (unknown/unreleased) | other | full-auto | lift-and-twist | prototype captive eyes design - possibly for adjustable lanyard |
 | Stubai (HMS twistlock w/ manual lock) | HMS | assisted | lift-and-twist | auto twistlock with manual secondary lock |
 | Wild Country Xenon HMS Tri-Lock Belay | HMS | full-auto | lift-and-twist | autolocking HMS with wire keeper |