STURDY ALUMINUM MATERIAL This kind of chainsaw sharpener is made of highquality aluminum material which gives it the qualities of anti-ruse and scratch-proof. Moreover, the aluminum structure improves its strength and performance. WORKING LIGHT & PROTECTION There is a working light mounted on the chain sharpener chainsaw for lighting while you are using it in a dark place The antislid handle also helps hold the machine tightly for protection 3000 RPM MOTOR- The motor of the chainsaw chain sharpener is a commercial motor of 3000 RPM. It will make sure that your chains will not be burned or soften mistakenly. TILTING VISE & GRINDING WHEELS The tilting vise on the chainsaw sharpeners are suitable for semichisel chisel style cutters And the 55 large grinding wheels can help you sharpen the chain more efficiently WIDE APPLICATION- The chainsaw electric sharpener is widely used in your house or your working fields to polish and sharpen your items. The angle can be adjusted for your needs. It is applicable for chains of 1/4", 0.325", 3/8", and 0.404" pitch.