EASY TO USE - These quick-adjust sharpening angle guide kit is fast and easy to use. Just screw onto rotary tool firmly and start filing away, which allows to fit on most of mandrel or rotary tool you have laying aroundPREMIUN QUALITY - The steel angle guide can reduce vibration,easy to control.The diamond sharpening burr made of emery grain and metal shaft handle, which with effective grinding effect, stable to remove only a small amount of metalPRACTICAL KIT - The chainsaw sharpening accessories kit is fit for most chainsaw blades. It contains a chainsaw angle guide attachment, a wrench and 18 pcs diamond sharpening wheels in 3 sizes, which maintain your oil chains, gas chains or manual chainsaws and other blunt garden tools easilySHARPENING FEATURE - As the chainsaw wears out with time and usage, its efficiency will decrease.The chainsaw sharpener set allows you make your chainsaw blade sharper so that your chainsaw always cuts quickly and efficiently with easeHIGH EFFICIENCY - The angle guide provides the sharpening angle, only need to fix the grinding angle and move back and forth on the fillet, enables the dullest chain saw chain to be easily sharpened in a few minutes