Features: Assorted diamond files-, the plating layer is thickened and nickel-plated, the diamond coating is thick, suitable for cutting metals with higher hardness. 10 Different shapes files- for your various need: Round, Square, Equilateral- Triangle, Leaf, Triangle, Oval, Half-Round, Flat, Knife, Sharp-Flat. The needle files- are very easy to use. You can choose needle files- of different shapes according to your needs to perfectly complete the grinding work. They are very suitable for the processing of small parts, so that the details can achieve perfect effect. Widely use on wood, ceramics, metal, glass, stone, plastic modeling, gun fixing, metal parts repair, jewelry making, nail fixing and just about anything else. Package Includes: 1x Diamond File Set Specifications: Material: emery Single item size: approx 140x3mm/160x4mm/180x5mm(optional) Package size: approx 200x70mm/225x200mm/255x205mm(optional) note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.