Made from aluminmum alloy 6061-t651 per qq-a-250/11; finish per chemicalfilm per mil-c-5541 class3; 1.660 inch long one end; 1.230 inch long other end; 3.032 inch wide; 0.430 inch thick; 4 holes countersink 82 degrees by 0.15, drill number 30, 0.1285 inch thru