You are purchasing 1 replacement key for Doorking equipment. Other manufactures also using these codes for cabinet/office furniture, electric switches, panel, and gaming machines. Keys are cut to your lock code, the code is located either on the original key or on the lock next to the keyhole. All keys are guaranteed to work.
My wife has an old (1940's) from her late father and the key was lost. Ordered a replacement from Gkeez, which was very easy, and received a replacement key that worked in just a few days. Very happy with everything.