UPC #: 42352 Name: Z3 XL Disc Application: Active grinding agent provides cool cutting with light pressure. Special optimized resin bond offers maximum cutting capacity, strong edge stability and long life. Description: Premium Zirconia Alumina grain with a poly/cotton heat treated backing. The poly/cotton combination provides low stretch and strength for the high Zirconia concentration that Z3 contains. Fastest grain removal in the marketplace for carbon based steels (26% more than the competition) and second best after CGW Z-Stainless discs on stainless steels, while offering excellent life. Comments: Contaminate-free. For working on flat grinding surfaces. Most efficient when used between 0°–15° angle. The best choice for smooth finishing. XL requires high output angle grinders for best results. Suitable For: Recommended for aggressive use and heavy duty applications. Diameter: 4 1/2″ Arbor Hole Size: 5/8″–11 Thickness: XL Grit: 40 (Medium) Type: 27 – Depressed center flat disc Use: Right angle grinder Max Operating Speed: 13,300 RPM Material: Zirconia Made In: USA