Both ways of attaching these are based upon 3/4" thick doors or cabinet doors. You will never find more a beautiful copper pull and in pristine condition. Long from tip to tip.5. These can be directly mounted to a project without screw holes or they can be mounted with holes which are all the way through the project.You can see in the photos, I will include copper screws which are original or black headed bolts which can be used with nuts I will include.