1 X 7″ 8% Cobalt Square Tool Bit (2000-0051) ~ Made with a superior type of high speed steel which will work better where high heat is present. ~ Use these tool bits for heavy cuts in hard materials. 1 X 7″ 8% Cobalt Square Tool Bit (2000-0051) Made with a superior type of high speed steel which will work better where high heat is present. Use these tool bits for heavy cuts in hard materials. .
