Aluminum alloy, composition 2024, temper t351 qq-a-225/6, 1.27 in.Lg, 0.700 in. W, 0.496 in. Min, 0.500 in. Max h, one 0.191 in. Min, 0.196 in. Max diameter hole on tapered end, 10 degree plus or minus 1 degreeend radius, 0.350 in. From center of hole to edge, three 0.250 in.Min, 0.256 in. Max diameter holes in line on opposite end 0.250 in. From end, two 0.150 in. Min, 0.160 in. Max w by 0.610 in.Lg slots between holes, 0.455 in. Min, 0.465 in. Max from inside of bottom slot to inside oftop slot