2x HSS Cut Off Blade ( 3/16" x 1" x 6" ) 5% COBALT M35 Grade  H.S.S Hardened & Ground Description Fit almost all common tool holders Hardened and ground for Accuracy  Trapezoidal section to fit all standard tool holders Sizes Width Of Blade - 3/16" Height Of Blade -1" Length Of Blade -6"