220V Electric Tamper Rammer 1.CE,ISO 2German BSF Bellows 3Aluminum Alloy made Crankcase ... made of 20 Cr-Mn Alloy Steel 220V Single Phase Electric Tamper RammerApplication:Widly used in Road construction, Bridge foundation, Building ... , concrete and clay. Main Features:1.Our tamping rammer is with advanced design, stable performance, strong tamping force, easy operation, safe using, wide ...