3x3x1-1/2 angle. Used to reinforce right angle connections. Fastens wood to wood. This product is made to help resist lateral forces. Great for home repair projects. 90 angle. Galvanized steel. Some sizes available with ZMAX coating. 12-gauge, 3" W1 x 3" W2 x 1-1/2" L., use 8-10d nails