Made of aluminum alloy 5052 h34 per qq-a-250/8; mil-e-5400 applies; finish black per 7.1.2 or 7.2.2 of mil-std-171; unless otherwise specified all sharp edges and corners may be broken 0.015 ; part must be free of burrs; 5.750 inch , 5.730 inch length; 2.610 inches wide; 0.093 inches thick