The speed meets the needs of different jobs.1/4inch air inlet, pneumatic oil, daily dripping for effective maintenance, more durable machineIt is equipped with a wrench, and the cutting head can be replaced by loosening the two fixing screws for easy and safe operation.application: It is suitable for cleaning sand and beveling of small castings before welding, removing welding slag after welding, and leveling welding scars.Equipped with derusting head, it can be used for derusting the uneven surface of mechanical equipment, stone processing, etc.Strike times: 3500RPMCylinder stroke: 25mmAir consumption: 4CFMWorking pressure: 4-6KGColour: blackMaterial: metalSize: 276mmPackage Contents:1 x Straight rust remover5 x shovelOnly the above package content, other products are not included.Note: Light shooting 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.