DEWALT DW8026 12-Inch by 1/8-Inch by 1-Inch C24P Abrasive Concrete/Masonry Cutting Wheel This are easy to use This are highly durable This is manufactured in China High performance silicon carbide grain for long life and high material removal Premium grain for added wheel life and speed Enhanced formulations for long life and optimal performance High quality resin bonds, 100 percent inspected for consistency and quality 12" x 1/8", 1" arbor, 6,400 maximum rpm, Type 1, C24P Specification