These mounting plates are specially designed for our zinc stall screens. These plates are sold in sets of two and measure 2 ”W x 4”H x 1”D. Screw hole openings are 3/8” diameter. Plates are manufactured out of 12 gauge carbon steel and are zinc plated. Sets come with two, 3/8 x 16 self-locking nuts and two, 1/2” washers. Screws not included. Finish Zinc Plated. Recommended for Stall Gates 42” or bigger.