Goodson Valve Seat Cutter. 7 Indexable Cutters 9/16-14.3 Arbor. Used In Real Good Condition. If you Need Only Just One or Two. Fits DCM Tech, Sunnen, Winona-Van Norman. DWI-1.625 DWI-1.375. DWI-1.187 DWP-1.812. DWI-1.750 DWI-1.562. Sell for a Great Deal.