Black Diamond 400 | Heavy-duty 400-grit cleaning pad Read more.
Americo Black Diamond 400 Grit Red 12" (2 Pack) is a heavy-duty diamond pad for cleaning worn stone floors. It removes scratches and stains and leaves a clean, matte surface prepared for the next Black Diamond step.
Use: Operate with oscillating or rotary floor machines at speeds up to 350 RPM.