90.125 in. Thk; 302-304 stainless steel; 1.125 in. Wide; 2.500 in. Lg; 1.062 in. Inside distance between shanks; 1 hole through both shanks 0.375 in. Diameter must accept 5/16-18 thd bolt; 0.438 in. Hole through bottom 1; 0.125 in. Radius inside/outside corners