[Multi-function] perfect for metalwork, tool making, engineering,model engineering, wood carving, jewellery making, welding, chamferring,casting, deburring, grinding, cylinder head porting and sculpting. [Safe and conveninet to use] nice tools for woodworking. [Excellent Present] Gifts for metalworker DIY carving fans. [Great Accessories]Suitable for machining variouskinds of metal material. [Size] The size of the rotary file is about 40 x 10 x 38 x 93mm/1.57 x 0.39 x 1.50 x 3.66inch (head diameter x handle diameter x file mouth length x total length). Colour: black Material: steel Package Contents: 1 x Sphere Rotary Burr Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.