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.

We are proud to be located in the heart of the nations capitol, Servicing all branches of the Federal, State and local Government. Providing a wide variety of Office Supplies, Furniture, Janitorial, Break Room, Computer Hardware/Software, Ink and Toner. As well as Services, Product/Furniture Assembly, Rush Deliveries and Logistics. We are confident that if given the opportunity GSA WHOLESALE can provide you with cost savings, great products, and the utmost customer satisfaction.