Aluminum alloy sheet per lcm07-1159, cl 2, anodized; 2.420 in. Distance from outside corner of one end to outside corner of opposite end, inside radius 0.796 in., 1.920 in. From base to top of arch, 0.620 in. W one end, dimpled hole 0.143 in. Min, 0.149 in. Max dia, color yellow shaded areas
