... .Grinding stone for Litchi surface 4.Best After-sale servic Name: Bush Hammer, Rotary Bush HammerBush Hammer:1. Drilling Diameter: 125MM, 150MM, 200MM ... , 250MM, 300MM, 350MM, 400M, 450MM2. Roller quantity in per bush hammer: 3PCS, 4PCS, 5PCS, 6PCS, 9PCS and 12PCS3. Segment quantity in ... 45PCS4. Mainly used for the stone finishing way of bush hammer finish;5. Works with high efficiency,5-6 times faster ...