Professional Tools 2 Year Warranty AIR ANGLE DIE GRINDER COMPLETE WITH 1/4 COLLET.5 X 1/8 MOUNTED STONES5 X 1/4 MOUNTED GRINDING STONES2 X SPANNERS FOR REPLACING STONES1 X REPLACEABLE COLET 1/81 X AIR LINE FITTING This tool is ideal for grinding and polishing metal components such as cylinder heads, valve ports and small industrial components. Comes complete with 2 Collet's 1/8 and 1/4 to fit the particular stones that it comes with along with others as well. Compact design aids in manoeuvrability in tight areas. Working pressure 600 KPA/bar (90 psi). Air consumption 4 CFM. Free speed 20,000 RPM. Chuck size 1/4 and 1/8. Air inlet 1/4. Comes with 10 stones for grinding of a selection of shapes for getting into awkward areas Please Check Out Our Other Items