The Nuk3y Heavy Duty-Metal Steel Pole Socket Set 1-1/2 in. include 1 open and 1 closed flange, making it easy to install a closet rod wall to wall. Designed for use with closet rods from 1-1/4 in. to 1-1/2 in. in diameter, the flanges are made of solid cast zinc and finished with premium chrome plating. Flanges also provide numerous mounting solutions for railing projects including wall mounting handrails, floor mounting footrail as well as angle, adjustable, socket, square, cut and cubicle mounting for special architectural railing projects. Designed to be used for closet rods or railing projects Accommodates wood or metal rods and tubing up to 1-1/2 in. in diameter Unique designs conceals mounting hardware when rod is in place Will support 500 lbs. when properly installed into wall studs