Wacker HMA Concrete Internal Vibrator Kit includes 1.8kW M2500 Motor 6.5ft. Flexible Shaft and 2 inch HeadWacker HMA Concrete Internal Vibrator Kit includes 1. 8kW M2500 Motor 6. 5 ft. Flexible Shaft and 2 inch Head Features : The Wacker Neuson HMS M2500 Internal Concrete Vibrator Kit offers reliable and strong performance, flexibility and economic efficiency for productive work with high quality results. The high frequency flex shaft can be easily combined and rapidly exchanged to match the right equipment to the job, while unique hybrid heads provide