Great for keying large old door locks, the heavy steel blank key has an overall length of 3 1/4".

Measurements below could differ slight depending upon the castings, you can compare these measurements to the chart in the photos if you are unfamiliar with the terms.

Total Length: 3.191"

Shank Length: 2.483"

Shank Diameter: .173"

Post: .744"

Bit Width: .450"

Bit Length: .590"

Collar: .236"