1-1/4 Inch Drillable Soft Carbon Steel Ball,Inch Drillable Soft Carbon Steel Ball 1-1/4, Can be drilled, machined, lathed, welded, forged and shaped,Can be used for any utility function where exact tolerances are not an issue, Size may even vary - 1% because it is a G-1000 ball, 1015 Carbon Steel, Best department store online Makes Shopping Easy With the latest design concept hometown-friendly customer service. 1-1/4 Inch Drillable Soft Carbon Steel Ball.