5 in 1 Key Decoder or key gauge for Kwikset, Schlage, Weiser, Master, and Westlock keys. Top quality stainless steel provides strength and durability. Designed with accurate gauge steps, each increment reflects factory specifications & tolerances. Decode cut depths on the most popular residential and light commercial keys.
To use key decoder, simply insert the key through the slot in the decoder. Slide key until it is stopped at one of the numbered steps. The number over the key is the cut depth for that key.