Lockback Knives
Shop lockback knives featuring dependable back-lock construction, traditional patterns, and secure everyday cutting performance.
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The lockback is one of the oldest and most trusted folding knife lock mechanisms in production. A spring-loaded bar running along the spine of the handle snaps into a notch in the blade tang when the knife is fully opened, holding it securely in place until the user deliberately presses the release on the back of the handle. Simple, strong, and reliable, the lockback has been the standard for quality folding knives for over a century and remains one of the most dependable lock types available today. CritPro carries lockback knives from trusted brands including Case, Rough Rider, Old Timer, Schrade, and Cold Steel.
The lockback mechanism engages the blade from the spine rather than the side, which makes it more resistant to lateral stress than a linerlock or framelock under hard cutting use. The release is also ambidextrous by nature since the spine-mounted release button works equally well for left and right handed users without modification. These characteristics make the lockback the preferred lock type for traditional pocket knives, hard use folders, and users who prioritize lockup strength over one-hand closing convenience.
The main practical difference between a lockback and a linerlock is that a lockback requires two hands to close safely, since the spine release must be pressed while the blade is folded back into the handle. For users who grew up with traditional pocket knives, this is a non-issue. For users accustomed to one-hand closing linerlocks and framelocks, it is worth considering before purchasing.
Lockback knives span a wider range of styles than almost any other lock type. Traditional pocket knife patterns like trappers, stockmen, and barlows from brands like Case and Rough Rider use lockback mechanisms in classic handle materials like jigged bone, stag, and wood. Modern lockback designs from brands like Cold Steel apply the same reliable mechanism to contemporary blade shapes and synthetic handle materials for hard use everyday carry. Both ends of the spectrum benefit from the same fundamental lockup strength that has made the lockback a trusted design for generations.
If you prioritize lockup strength and traditional styling, a lockback is the right choice. If you need one-hand closing for daily carry and work use, a linerlock or framelock is more practical. If you want the fastest possible deployment, an assisted opening knife suits that need better. Many knife users own examples of each lock type for different carry situations and uses.
Browse the full lockback knives selection at CritPro, or explore all folding knives and knives to find the right blade for your carry and collection needs.