Chainsaw Sharpener Kit: You will 18Pcs in 3 size 5/32inch, 3/16inch, 7/32inch, 6pcs each size, which can your daily use and replacement needs. Material: the diamond particles on the drill bit are finely and evenly, hard and not easy to wear, surface anti-rust, wear resistance, high hardness, these are specially designed for chainsaws and steel, with long service life. Wide Application: There are sizes in set, which are suitable for different sizes. which are suitable for chain saws of different sizes. can also be used for mold making and metal surface polishing. Easy to Install: The is easy to install, It can be changed in just two steps, these drill are specially designed for electric chain saw, which is harder and more wear-resistant, so you 't have to change it often. Strong Effect: This is a sharpening tool with high hardness diamond chainsaw, rid of the troublesome hand , so you can finish grinding things as fast as. Colour: Silver Material: emery Package Contents: 1 set x chainsaw file Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.