If you are mounting doors, but they cannot go into the door header, or the door header is taller (more than 1/4” taller) than the doors. You will need a Bommer 7818 or 7819. The same functionally of the other Bommer hinges, but the top pivot mounts to the door jamb. The bottom portion of this hinge can be ordered as a jamb mount or floor mount. Bommer 7818- Available in Primed, Gloss Black, Zinc, Polished Brass, Satin Brass, Satin Nickel, Satin Chrome, Oil Rubbed Bronze, and Oil Rubbed Bronze- Blackened Finishes. This hinge can mount to the door jamb or to the floor. The top pivot mounts to the door jamb as well, it cannot be recessed or mounted to the door header. You can adjust the spring tension on the hinge to allow for a faster or slower swing of the doors. The non-hold open version is the Bommer 7819.