Features: 1.Unique process technology.quenching increases wear resistance.Chrome vanadium alloy steel teeth give you outstanding wear-life for a much longer lasting burr.Should only be used on non-metals or non-metallic materials. 2.Size: 10.8mm long ; Material: chrome vanadium alloy steel 3.Perfect for tool making, engineering,model engineering, wood carving, jewellery making, chamferring,deburring, grinding, cylinder head porting and sculpting tools. 4.Effortless operation allows you to easily and quickly remove a variety of materials.Coarse coating provides fast stock removal while leaving a relatively smooth finish. 5.SUITABLE FOR YOUR POWERTOOL: Designed to fit most standard angle grinders, making it the most and high-performance tool of its caliber Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:chrome vanadium alloy steel Size:as shown Package List: 1x Cutter