What is a Lockpick?

A lockpick is a specialized tool used to manipulate the internal components of a lock — most commonly a pin tumbler lock — in order to open it without using the original key. A lockpick works by applying targeted pressure to individual pins inside the lock cylinder, allowing a skilled user to align them at the shear line manually, the same point the correct key would normally align them to.

Lockpicks are used by professional locksmiths for non-destructive lockout service, by security researchers studying lock vulnerabilities, and by locksport hobbyists who practice lockpicking as a skill-based hobby. Because a lockpick relies on precision rather than force, using one effectively requires practice, patience, and an understanding of how the target lock is built.

What is a Lockpick Used For?

A lockpick is used any time someone needs to open a lock without the original key, in a way that doesn't damage the lock or the surrounding door or hardware. Common uses include:

• Professional locksmith lockouts – gaining non-destructive entry for customers locked out of a home, vehicle, or business

• Locksport and hobbyist practice – learning how pin tumbler and other lock mechanisms work through hands-on skill-building

• Security testing and research – evaluating a lock's vulnerability to manipulation as part of physical security assessments

• Law enforcement and emergency access – in some jurisdictions, trained personnel use picks for authorized entry situations

• Recovering access to personal property – opening a lock on a personal item, cabinet, or storage unit when the key has been lost

Because lockpicks can open locks without leaving evidence of forced entry, their use is restricted or regulated in some areas — locksmiths and hobbyists should always confirm local laws before purchasing or carrying a lockpick set.

What Does a Lockpick Look Like?

A lockpick is typically a thin, flat piece of metal — usually stainless steel — with a handle on one end and a specially shaped tip on the other. The shaped end is what actually contacts and manipulates the pins inside the lock, and different pick styles have distinctly different tip shapes:

• Hook picks – a single curved tip used to lift and set pins one at a time

• Rake picks – a wavy or jagged profile used to manipulate multiple pins quickly in a scrubbing motion

• Diamond picks – a small diamond-shaped tip useful for both raking and precise single-pin work

• Half-diamond and other specialty picks – shaped for specific lock types or pin configurations

A lockpick is almost always used together with a tension wrench, a separate, simpler L-shaped or flat tool that applies light rotational pressure to the lock's plug while the pick sets the pins — the two tools work as a pair, not independently.

How Does Lockpicking Work?

Lockpicking works by manually recreating what a correctly cut key does mechanically, using two tools together: a tension wrench and a pick.

1. Apply tension. The tension wrench is inserted into the bottom of the keyway and turned lightly in the direction the lock would normally turn to unlock, applying slight rotational pressure to the plug.

2. Locate and manipulate the pins. The pick is inserted above the tension wrench and used to push each spring-loaded pin up, one at a time (single-pin picking) or in a raking motion across several pins at once.

3. Set the pins at the shear line. As each pin pair reaches the correct height, the slight rotational pressure from the tension wrench causes the plug to rotate just a fraction — catching and holding that pin in place at the shear line, known as "setting" the pin.

4. Repeat until all pins are set. This process continues, pin by pin, until every pin in the cylinder is aligned at the shear line simultaneously.

5. Turn the plug. Once the final pin is set, there's nothing left blocking the plug, and it rotates fully — just as it would with the correct key — allowing the lock to open.

Because pin tumbler locks vary in pin count, spacing, and security features, lockpicking difficulty ranges from very simple entry-level locks to high-security cylinders that are specifically designed to resist picking.