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Transponder chip key?

A key with a transponder chip means that is has a radio transmitter in the key that works with the car’s computer using a wireless system to determine that it is the original key, thus starting your car.  Key 4 Less can program your specific transponder chip key to your unique vehicle.  

Construction master key

A key normally used by construction personnel for a temporary period during building construction. It may be rendered permanently inoperative without disassembling the cylinder.

Customer Testimonials

I bought a car from an auction.  There was no record of the Vehicle Identification Number and it had NO keys.  These guys handled the situation like pros!  They said the ignition had to be changed.  He went to his warehouse.
William S., Elk Grove, CA

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Glossary of Locksmith Terms

Thank you to the Lock Industry Standards and Training (LIST) Council for the following terms:

adjustable mortise cylinder

n. any mortise cylinder whose length can be adjusted for a better fit in doors of varying thickness

alarm system

n. a system of electrical and/or electronic components which detect and report dangers, such as fire or intrusion

aligning tube

n. 1. a lock component which orients and joins the latch and knob spindles of certain bored locksets,

2. in some combination locks, a tube which houses the spindle, located between the dial ring and the lock

alignment pin

n. the perpendicular projection from a master lever in a master keyed lever tumbler lock, which engages a group of combination levers and moves their gates to align with the fence

all-section key blank

n. the key section which enters all keyways of a multiplex key system


n. the threaded end of a safe door handle

armored face plate

n. a face plate that conceals all lock and/or cylinder mounting screws

associated change key

n. a change key which is related directly to particular master key(s) through the use of constant cuts

associated master key

n. a master key which has particular change keys related directly to its combination through the use of constant cuts

attendant's key

n. a selective master key used in a hospital keying system

automatic deadbolt

n. a deadbolt designed to extend itself fully when the door is closed

automatic flush bolt

n. a flush bolt designed to extend itself when both leaves of the pair of doors are in the closed position

automatic key machine

n. a machine capable of cutting keys with manual operations limited to loading and unloading keys

auxiliary lock

n. any lock installed in addition to the primary lockset

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