1. Made of high quality movement, durable to use. 2. Exquisite workmanship and stable performance, it is a great for you. 3. Wear-resistant aluminium alloy body long service life. 4. Reinforced alloy cylinder provides 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: New Impact Number: 4500rpm Consumption: 114L/min Colour:Silver Material:metal Size:About 150 x 150mm Package Contents: 1 x Hammer 4 x Scraper Knife 1 x Inlet Port 1 x Spring Only 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.