"No measuring, uses your window casement to line up and install Perfect installation every time Securely holds up to 20 pounds Two piece curtain rod bracket design projects 3 inches from the wall.In Bronze finish.Compatible with 1/2"" or 5/8"" diameter rods International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions."