A single-action OTF knife does not retract with the thumb slider. Learn how manual re-cocking works, the reset sequence, key identification cues, and how it dif

A double-action OTF knife uses one thumb slider to both open and retract the blade by moving an internal carrier that engages the blade tang, loads spring tensi

A single action OTF knife is an out-the-front automatic knife that fires the blade forward with the switch, then requires a separate manual reset or re-cocking

A double action OTF knife is an automatic out-the-front knife that uses the same switch to extend and retract the blade. Learn how it works and how it compares

Learn the exact difference between single action and double action OTF knives, including deployment, retraction, reset, pros, cons, and which users each mechani

An OTF knife is an automatic knife whose blade travels straight out the front. A regular automatic knife usually opens from the side on a pivot and typically cl

Learn what OTF means on a knife, how the mechanism works, and what wholesale buyers should check before ordering OTF automatic knives for resale or private labe

Learn what an OTF auto knife is, how the mechanism works, how it differs from side-opening automatics, and what wholesale buyers should check before purchasing.