Online shopping has become a fashionFeatures:100% Brand new and high quality!!Highest quality long lasting rotary Rasp set designed For shaping wood， plastics and light alloys1/4'' (6mm) shank suitable for most electric & cordless drills Used for grinding， polishing， shaping & burnishing wood surfaces Includes 5 Popular Shapes: Ball， Oval， Cylinder， Large Cone， Small Cone.Specifications:Material:45# SteelColor: BlackShank diameter: 6mmShank length: 27-40mmTotal length: 50-60mmTipsMust be clamped during using.Cutting way is better with conventional milling to avoid reciprocating feeding.Prevent scraps flying at work， please use safety glasses.There are some oil on the head. Package includes:5 x Steel Rotary BurrHope you can have a good shopping experience.