Twist Lock Carabiners
Double action autolocking carabiners, which unlock with a single twisting motion.
| Image | Summary | ||||
|---|---|---|---|---|---|
 | Black Diamond Airlock2 Twistlock | HMS | full-auto | twist | basic twistlock from the dawn of the modern era of autolocks |
 | Clog (twistlock D) (diagonal knurling - 2500) | asymmetric D | full-auto | twist | early twistlock, possibly even the first twistlock model |
 | Clog (twistlock D) (straight knurling 120 deg throw) | asymmetric D | full-auto | twist | early twistlock from originator of the twistlock |
 | Clog (twistlock D) (straight knurling 90 deg throw) | asymmetric D | full-auto | twist | early twistlock from originator of the twistlock |
 | Clog (twistlock HMS) | HMS | full-auto | twist | early twistlock from originator of the twistlock |
 | Clog (twistlock HMS) (Climb High) | HMS | full-auto | twist | early twistlock from originator of the twistlock |
 | DMM Scaffolder | S-spine | full-auto | twist | extra large aluminum carabiner for use on ladders and scaffolds |
 | DMM Ultima Scaffold Hook ANSI Kwiklock | S-spine | full-auto | twist | extra large aluminum carabiner for use on ladders and scaffolds |
 | Hugh Banner HB 11mm Autolock (Captive Pin) | asymmetric D | full-auto | twist | 30kN captive pin twistlock |
 | Hugh Banner HB HMS Autolock | HMS | full-auto | twist | 1990's twistlock |
 | KONG Ovalone Twistlock | D | full-auto | twist | industrial rope access carabiner, part of a manufacturered back-up system |
 | Mammut Bionic HMS Twistlock | HMS | full-auto | twist | early webbed I-beam, hourglass sleeve |
 | Omega 11 | asymmetric D | full-auto | twist | economical steel auto-lock |
 | Omega 99 | asymmetric D | full-auto | twist | economical steel auto-lock |
 | Omega Pacific Jake Quik-Lok | HMS | full-auto | twist | classic HMS with offset gate in twist lock |
 | Petzl Freino v1a | asymmetric D | full-auto | twist | integrated braking spur for additional friction while rappelling/lowering |
 | Petzl Freino v1b | asymmetric D | full-auto | twist | integrated braking spur for additional friction while rappelling/lowering |
 | Stubai (HMS twistlock) | HMS | full-auto | twist | bronze sleeved twistlock HMS |
 | Surety (RCC645 95B) | HMS | full-auto | twist | steel industrial twist-lock |
 | Woody Valley / CAMP (paragliding carabiner) | trapezoid | full-auto | twist | paragliding carabiner with reverse notch & pin |
 | YOKE N-256G v1 | HMS | full-auto | twist | basic industrial carabiner drilled for anti-crossload pin |
 | YOKE N-256G v1b | HMS | full-auto | twist | basic industrial carabiner drilled for anti-crossload pin |