1/8" Steel Plate, Disc Shaped, 3" Diameter, .1250 A36 Steel, Round, Circle $1.25 Brand Synergy Steel Designs Disc Diameter 3 in Metal/Alloy Type Steel Country/Region of Manufacture United States Disc Thickness 1/8 in condition New I am selling 1/8'' Steel Discs that are 3.00'' in diameter. A36 or better steel. Check out my other auctions - I can cut all sizes, shapes, and thickness of steel if needed. I would be happy to give you a quote. Please ask if you have any questions at all!