If you are looking for a master keying chart you are in the right place

Starter Kit Includes:

Position Alignment Spacers eliminate the guesswork of where you're looking at in the lock and locating individual wafers/pins during the decoding process

providing reliable testing for key fob battery

module replacement

Hyundai Elantra GT 4 Button Prox 4B20–By Ilco 1994-Chevrolet-Corvette If you are looking forAs a top choice for locksmiths and key cutters, the Hyundai Elantra GT 4 Button Prox 4B20 key blank boasts high quality material and precise cutting for reliable duplication. Perfect for professional use or those in need of precise key duplication, this blank guarantees ease and accuracy.