ITEM NAME:5 Piece Rotary Burr Set Rasp Tool Grinding Polishing Shaping Burnishing Wo KCQ Descriptio n Name: Car.Type: Rotary Burr. Shank: 6mm. We'd like to settle any problem in a friendly manner. Application: For Steel, Stainless Steel, High-Temp Alloys And Cast Iron. We want to make sure you are happy with our item.