Concrete Scarifying Machine Scarifier with Petrol Engine Feature: 1. Milling width 200mm/250mm/300mm with milling drum 6/8 cutter shaft, and tungsten steel alloy blades for high efficiency milling and durability. 2. The milling machine is driven by electric motor or gasoline/diesel engine. Compact and portable. 3. Cutting depth can be adjusted precisely by the hand wheel. 4. Handle height adjustable and anti-vibration rubber-grip handle. 5. Dust control outlet can be connected with the vacuum cleaner. Specification: