Sockets enable you to install a closet pole all the way to the wall with included mounting screws, 1 open-lip socket helps you install the sockets before inserting a closet pole, Solid and strong with cast zinc construction, For use with closet poles from 1-1/4 in. to 1-5/16 in. in diameter, Pair includes 1 open-lip socket and 1 closed-lip socket, Mounting screws are included for fast installation