Titanium alloy, ams 4911; 8.000 in. Lg; 6.000 in. H; 0.057 in. Thk min, 0.069 in. Thk max; aperture 0.990 in. Diameter min, 1.010 in. Diameter max; 2 holes 0.216 in. Diameter min, 0.226 in. Diameter max; 2 holes 0.276 in. Diameter min, 0.286 in. Diameter max