6steel; largest od 1.750 in. 0.062 in. Thk; nextod 1.100 in. 0.094 in @thk; smallest od 0.563 in. 0.344 in. Thk; 0.313 in. Id; two holes 0.188 in. Diameter on 1.438 in. Diameter bolt circle; one hole 0.312 in. Diameter on centerline spaced 0.469 in. C to c of id