Kwikset & Schlage 2-N-1 Key Gauge

The Kwikset and Schlage 2-N-1 key gauge is a great tool to help you get accurate cut depths for rekeying or making duplicate keys. This 2-N-1 key gauge works with small size Kwikset and Schlage keys, and it's durable, small and convenient to have. Each increment is engraved with a clear mark so you can't miss your measurements.