Use the Black Diamond 400 grit diamond pad for heavy duty cleaning of worn stone floors. Effectively removes scratches and stains. Leaves a clean, matte surface prepared for the subsequent Black Diamond steps. Use with oscillating or rotary machines up to 350 RPM. Use on worn concrete floors. Made in USA.

• 400 grit
• Use on worn concrete floors
• Effectively removes scratches and stains, leaving a clean, matte surface
• Use with oscillating or rotary machines up to 350 RPM

2 pads per case