Package: You will receive 10 diamond files to meet your different needs. Sizes from 4 to 160 mm Material: The file is made of high-quality diamond, cooled and hardened, high hardness, wear-resistant and durable, not easy to deform Non- handle: Equipped with a comfortable non- rubber grip for a firm grip even in wet conditions Wide range of uses: suitable for precision machinery such as wood and metal forming, especially for fine polishing of jewelry and model making Colour:As Shown Material:diamond Size:16 x 0.4 x 0.4cm Package Contents: 10 x diamond file Only the above package content, other products are not included. Note: Light reflection 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.