Velcro back metal grinding discs are designed for grinding concrete with slow speed machines such as planetary polishers. We offer 3", 4" and 5" with 30 grit, 60 grit and 120 grit.

Segment height: 6 mm or 1/4"
# of segments: 3" - 9 segments; 4" - 12 segments: 5" - 16 segments