Features: Slotted taper for vibration resistant deburring and countersunk head. Made of 90° high-speed steel material. Prevent chip blockage on the workpiece through slot type chip removal. It provides the best results at the low cutting speed of steel, wood, plastic and light metal. Internal debris removal to prevent splashing of debris. The tip angle is 90 °, and the countersunk head is sharp- and precise. Titanium-plated surface-, wear-resistant, and long service life. Suitable for cutting metal, wood, and plastic (less than 25 degrees hardness) This set of 4 piece countersunk deburring tools is an ideal- tool for quickly and easily cutting metal, wood, and plastic. Specifications: Material: M35 High-speed Steel 6542 Coating: Titanium-coating Size: 2-5mm/5-10mm/10-15mm/15-20mm Handle Diameter: 6mm/8mm/10mm/12mm Chamfer: 90° Usage: High-speed steel cobalt/M35 TiAIN coating Package Includes: 1PC Deburring Chamfering Tool note: Due to the different monitor- and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviation- due to manual measurement. Package Includes: