Technology, Innovation & Convenience in the Lock and Security Industry
Established in Fremont California in 1972, GKL Products develops both residential and commercial products for the lock and security industry. Their “flagship” product, the Hinge Doctor, has been an effective and unique tool in the restoration of door hinges and has led the way to new product developments and releases.
All GKL Products are designed with four objectives in mind: convenience for the installer, value for both the installer and the customer, significant savings in installation or repair time and durability.
GKL Products include:
- The Hinge Doctor® hinge restoration tool
- HercuLock Emergency Door Lock
- Aluminum door modification kits
- Mail slot covers
- Door dolly
- Door lifter
- Door stand