WDEUR680BS Aluminium Machined Body – Complete with Lock Mechanism and Keyed Cylinder – Gaskets for use with 10 or 12 mm Glass This European Series Glass Mounted Patch Lock with Keeper can be mounted at the bottom of the door, or on the side of the door when used in a jamb-type installation. WDEUR205BS High Density Cast Body with Lock Mechanism – Gaskets for use with 10 or 12 mm Glass The European Style Patch Lock can be mounted on the top or bottom of doors. It can also be used on the vertical edge of the door, and secured to a jamb with the Keeper that is supplied with the unit.