Graber's lockseam curtain rods are made of .013 gauge steel and measure 3/4 inches high by 3/8 inch thick. Lock-seam curtain rods are coated inside and out, with no exposed edges. Inner curtain rod projects 2 1/2 inches, and outer curtain rod projects 3 1/2 inches from the mounting surface. Single and triple curtain rods are also available. Includes mounting hardware.