Features: _x000D_ 1. Made of high quality movement, durable to use. _x000D_ 2. Exquisite workmanship and stable performance, it is a great tool for you. _x000D_ 3. Wear-resistant aluminium alloy body ensure long service life. _x000D_ 4. Reinforced alloy cylinder provides large storage capacity and strong strength. _x000D_ 5. Powerful pull spring is elastic which can effectively reduce vibration. _x000D_ 6. Suitable for casting sand cleaning and welding front opening groove, welding slag, flat solder scar, correction of stone, concrete and brick wall opening work. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% New _x000D_ Impact Number: 4500rpm _x000D_ Air Consumption: 114L/min _x000D_ Working Pressure: 6-8KG _x000D_ Cylinder Stroke: 150mm _x000D_ Inlet Port: 1/4" _x000D_ Blade Shape: Hex _x000D_ Weight: Approx. 1539g / 54.3oz _x000D_ Scraper Knife Length: Approx. 12cm / 4.7in _x000D_ _x000D_ Package List: _x000D_ 1 * Air Hammer _x000D_ 4 * Scraper Knife _x000D_ 1 * Inlet Port _x000D_ 1 * Spring _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.