BLK224 Grinding Stone Attachment 2 x 2 x 4 (Medium) (6 Pack)

Use for grinding terrazzo, concrete, or stone. Coarse - for aggressive removal of rough concrete, uneven joints, mastics, aggregate surfaces and grinding terrazzo. Medium - finish grinding of concrete, stone, terrazzo, aggregate surfaces and brick. Fine - smooth grinding of concrete, terrazzo, stone and brick. 6 blocks required for each machine.