NOS check out the detailed pictures. Have many more listed and some that are not message me if you're looking for a different number.
Snap On Flank Drive Lock Cylinder Key Set #K648 - 2 Keys
Snap On Tool Box 2 Keys and Lock Cylinder flank drive k513 snapon key lock
Snap On Tool Box 2 Keys and Lock Cylinder flank drive k631 snapon
Snap On Tool Box 2 Keys and Lock Cylinder flank drive k614 snapon
Snap On Tool Box 2 Keys and Lock Cylinder flank drive k507 snapon
Snap On Tool Box 2 Keys and Lock Cylinder flank drive k686 snapon
