Product description: Handle: round handle Material: HSS Surface treatment: titanium coating Heat treatment: high frequency quenching, increase hardness. Size: Head diameter * shank diameter * length 20.5mm: 20.5mm * 47mm * 10mm 16.5mm: 16.5mm * 47mm * 10mm 12.4mm: 12.4mm * 10mm * 46mm 12.4mm: 12.4mm * 10mm * 46mm 10.4mm: 10.4mm * 39mm * 6mm 10.4mm: 10.4mm * 39mm * 6mm 8.3mm: 8.3mm * 6mm * 40mm 6.3mm: 6.3mm*5mm*37mm Package Contents:1X 8pc Titanium Chamfering Knife The titanium coated chamfering knife is very suitable for milling and milling. Wide application range, applicable to metal and some non-metallic materials, stainless steel, die steel, iron, copper, aluminum series, carbon steel, thin iron plate, insulating plate , PVC plate, wooden plate and so on. The milling is made of carbon steel with titanium plated on the surface. It is sturdy and durable, not easy to rust, and has a long service life. of life. End High quality strawberries: Standard sizes are suitable for all types of ordinary drills and drills, including vertical drills. Mouth Concentric mouthpiece: more than 90 degrees, easier operation and longer service life. Sharp corners and precise images flash at a 90 angle to facilitate precise drilling.