Originally established in Fremont California in 1972 by Steve Goldstein, and currently located in larger facilities in Herald, California, GKL Products has been developing both residential and commercial products for the lock and security industry. Our "flagship" product, the Hinge Doctor, has been an effective and unique tool in the restoration of door hinges and has lead the way to new product development and release.
The B15 snap-in storefront door bridge from GKL Products allows a locksmith to service and repair all beveled, flat and radius aluminum door stiles with one bridge. Installation...
GKL Products, manufacturer of the famous “Hinge Doctor,” introduces paint pens PP1-2 to help you do a great professional job installing, servicing, and repairing storefront doors...
GKL's GrimestopperTM is inexpensive take on lock cylinder weather guards. This value added product can be used with mortise and rim cylinders, cam locks, switch locks etc. GrimeStopper...
Several companies offer oversized repair screws. These screws have a one size larger thread then the head size. This way when the screw is installed, the head size is the same...
Lockitron Lock TechnologyLockitron is a manufacturer of keyless entry using your phone. Their product is mounted over the thumbturn, having a larger turn knob in the center. The...
The lock stile is where the majority of day-to-day lock service is performed. From keyed cylinders and thumb-turns to latches deadbolts and hook bolts, this is where the action...
