1. Made of high quality movement, durable to use.2. Exquisite workmanship and stable performance, it is a great tool for you.3. Wear-resistant aluminium alloy body ensure long service life.4. Reinforced alloy cylinder provides large storage capacity and strong strength.5. Powerful pull spring is elastic which can effectively reduce vibration.Suitable for casting sand cleaning and welding front opening groove, welding slag, flat solder scar, correction of stone, concrete and brick wall opening work.Condition: Brand NewImpact Number: 4500rpmAir Consumption: 114L/minColour:SilverMaterial:metalSize:About 150 x 150mmPackage Contents:1 x Air Hammer4 x Scraper Knife1 x Inlet Port1 x SpringOnly the above package content, other products are not included.Note: Light 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.