... for Litchi surface 4.Best After-sale servic Name: 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 ... used for the stone finishing way of bush hammer finish;5. Works with high efficiency,5-6 ... 135-99292829, thank you.Other working thickness & design are available. Hammer