Feature -Continuous operation, no heat, sturdy and durable, stable operation -Lightweight body, can be hand-held continuous work is not tired, can be inverted curve, arc, outer circle, any irregular outer angle -Double cutter head design, chamfered edge, high quality triangular tungsten steel blade Package: 1 xChamfering Machine 2 x Wrenchs Tips: Before using this tool, please add 2-3 drops of liquid lubricating oil from air quick connector, and then run the sander for a few seconds, make sure it works well. (Lubricating oil not included in this item)