... Hammer 1.Diameter:5"~18" 2.Special grinding head 3.Best bush hammer for granite 4.Competitive Price & High Quality Name: Rotary Bush Hammer ... , Bush Hammer, Bush Hammer for GraniteBush Hammer ... , 400MM, 450MM and Frankfurt2. Roller quantity in per bush hammer: 3PCS, 4PCS, 5PCS, 6PCS, 9PCS and 12PCS3. Segment ...