High Quality: Wood drill bits made of premium high speed steel for high hardness, high abrasion resistance and high heat resistance. 6mm shank size is suitable for most electric and cordless drills Main Function: Rotary woodworking drill bits are available for handling wood, non-ferrous metals, plastic and rubber, soft materials, etc Use: rotary drills are available for handling wood, non-ferrous metals, plastic and rubber, soft materials, etc Content: 5 shapes: ball, oval, cylinder, large cone, small cone. 6mm shank suitable for most electric and cordless drills Convenient control: simple rotary file, safe and reliable, no dust pollution, improve the working environment 5 Piece Woodworking Rotary File Set Wood Carving Knife Woodworking File Grinding Head Handle: 6MM It is simple and convenient to use, safe and reliable, can reduce labor intensity and improve the working environment. The economic benefits are greatly enhanced. Specification: Shank diameter 6mm, head diameter 13mm for wood grinding. Purchase note: This Rotary wood file is only suitable for soft materials such as cork and cannot be used for carving and grinding such as hard wood. Made of 45 gauge steel with a blackened finish , it is sharper and more durable, and can withstand wood, non-ferrous metals, plastics and rubber. Application: It is suitable for engraving, engraving, chamfering, recessing and grooving of soft materials such as wood and plastic. Product weight: 110g Quantity shipped: 5 pieces