Matl epoxy gl l-p-509, type 1v, gr g-10; 4.40 in. L by 0.62 in. W by 0.125 in. Thk; 2 holes 0.188 in. Diam located 0.36 in. From end and 0.31 in. From top edge; cut one set of diagonal corners 0.37 in l and 0.44 in. W; cut other diagonal corners 0.23 in. L and 0.20 in. W