... surface 4.Competitive price&High Qualit Name:Bush HammerBush Hammer:1. Drilling Diameter: 125MM, 150MM, 200MM, 250MM ... , 350MM, 400M, 450MM2. Roller quantity in per bush hammer: 3PCS, 4PCS, 5PCS, 6PCS, 9PCS and 12PCS3. ... used for the stone finishing way of bush hammer finish;5. Works with high efficiency,5- ... “T” means the roller quantity in per bush hammer, “S” means the segment quantity in per roller ...