Steel alloy qq-s-626 composition fs4130, fs8630, fs8730, 5.875 in. Lg, 2.625 in. H, 0.250 in thk, with a 2.750 in. Radius cut 1.062 in. From bottom end, top end bent to 0.375 in. Radius 1.812 in. Distance from bottom to radius bend, top corners cut at angle, 4 mounting holes0.375 in. Dia