Avenger AV-84206 Stack Dado Set, 8-inch by 42 tooth, 5/8-inch arbor, C-2, aluminum case Two 42-teeth outside trimmer blades for a smooth finish cuts Featuring -Six 6-teeth full body chippers - cuts a flat bottom finish for accurate and tight fitting joints Fits: most table power saws, with a minimum 2-hp rating Professional grade C-2 carbide Max RPM: 5,500 rpm