GKM and GK100 are re-writable and battery-less as they work through inductive coupling with the car's control unit

This durable kwikset lock cylinder removal tool allows locksmiths and technicians to service

including:

and lock servicing tools

To further aid insertion

Chevrolet 5 Button Prox 5B2 (HYQ4EA) -by Ilco Taylor-143MT GKM and GK100 are re-writableThis high quality Chevrolet 5 Button Prox 5B2 (HYQ4EA) key blank is essential for locksmiths and professional key cutters, as well as individuals in need of precise key duplication. Made with top quality material, it guarantees reliable use in key cutting and duplication. A must have for locksmith services.