Gerstner International Chrome Lock is a surface-mounted chest lock that can be installed on wood chests and cases.  This lock has a brass colored center keyway, which is different from Part 1251.

The chest lock comes with 5 Screws for installation and (1) GI-TC2 Series Key

The top holes are 1-5/32″ center to center. The lock is 1-13/16″ wide x 3″ tall.

The holes on the top section of the lock are 5/16" from the bottom edge.