Block Dimensions: .312" thick x 1.375" wide x 3.156" long
Contains 3 .006" wide slots at depths of .008", .020" and .040".
Standard materials are: 7075-T6 Aluminum, 4340 Steel, 6AL/4V Titanium, 304 Stainless Steel, AZ-31 B Magnesium. Other materials available.