Features:* Type: Triangle, Square, Round, Flat, Semicircle;* Great for metal, deburring, fixing of shredded glass, mirror, tile, stone, ceramic, etc. especially suitable for grinding models and gems.* Comfortable non-slip rubber grips provide a firm grip even in wet conditions. Specifications:Product Name: Mini Needle File SetMaterial: Diamond FilesColor: As the picture shownSize: 2*100mmSuitable for: grindingQuantity: 5pcs/setPackage Contents:5pcs/set Mini Needle File SetNote:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.