Typically used to prevent sliding patio doors from slamming into the jamb Can be mounted on the left or right jamb as (universal mounting) and comes with two #8 x 1-1/2 inch Phillips head Pan head screw in zinc Can be mounted on other doors as you desire to prevent slamming White rubberized construction bumpers that are 2-5/8 inch tall or long with a 1 in base that tapers at the end (depending on how you mount this item) Please refer to the line art for dimensions and compare with your needs before ordering