Al alloy, max lg 6.110 in. Min lg 6.090 in., max w 1.510 in. Min w 1.490in., max h 0.330 in. Min h 0.310 in., 10 holes each with a max diameter 0.221 in.Min diameter 0.216 in., apeture lg max 5.010 in. Min 4.990 in., apeture w max 0.380 in. Min 0.370 in.