1/4" (.250) Aluminum Disc x 5" Diameter, Circle, Round, 6061 Aluminum $10.0 Country/Region of Manufacture United States Brand Synergy Steel Designs condition New 1/4'' Thick Aluminum Disc x 5.00'' Diameter. Made from 6061 Aluminum.These pieces are cut with a water jet so the tolerance is +/- .02"I can also cut other sizes and thicknesses - please ask for a quote!Thank you.