Bump Key Expansion

The Sparrows Bump key expansion set covers the following 4 most common higher security commercialële and residentialële keyholes. There is also 1 padlock bump key included.
All Sparrows Bump keys are made with original cutouts to the deepest settings to ensure original factory quality. With the right technique, a bump key will be able to open a high percentage of locks quickly and efficiently.

You are better off buying this set as an extension to Sparrows other set, unless you have a special need for one or more of the keys in this set.

Sparrows Bump Key Set:
American (A1045)
Arrow (AR1)
Yale (Y4)
Master (M10)
Sparrows Key Ring