Cordless & Rechargeable Design: the shackles of wired use.Higher Efficiency,Work More Effortless.The quick sharpen work to efficiency out of your outdoor projects. Professional saw chain sharpener kit supports speed adjust that can be adjusted between 5000-18000 RPM.The battery power display function can help to know the power more intuitively. Exact Angle & Depth:Set the grinding angle,the fixed degree angle guide can reduce vibration and avoid mistakes,sharpen chainsaw blade at the same angle & depth to a -sharp finish every time. Titanium Plated Burr Grinding Stone File :4 sizes [5/32inch, 3/16inch, 7/32inch & 7/32inch ] of wheels are provided which can help sharpen any of the chains out there. The diamond sharpening burr is the hardest and durable,subitable for quick, easy sharpening of chain saw blades. Multifunctional Chainsaw Sharpener Kit:Come with abundant accessories, widely fits for most of the chainsaw chains - including oil Chain and gas Chain, engraving, drilling, sanding ,polishing, bore holes and curving. color:Red Material:Metal Package Contents: 1 set x chainsaw sharpener 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.