Trying to duplicate a key you can't find or don't know the name of

and repeat until it functions properly

Mercedes 2 Track Alarm Space & Depth Keys

1971-Chevrolet-Impala

RTT Devious Decoder Card - Australian Version 2006-Pontiac-Solstic Trying to duplicate a keyThe RTT Devious Decoder Card (DDC) Australian Version is a compact, dual purpose measuring tool that lets locksmiths, technicians, and security professionals quickly read both key bitting and individual pin sizes from a single wallet sized gauge. Designed specifically for common Australian key systems, this durable card speeds field decoding and pin checks without the need for bulky calipers or multiple gauges. Key Details Dual function stair step