🧰PRODUCTS DESCRIPTION: Upgrade your grinder with these WA WHITBY ABRASIVE's high-quality wheels, designed for a multitude of tasks. With a 3/8-inch arbor and included holder mandrel kit, these accessories are perfect for all your cutting and grinding needs. Whether it's metal, steel, tile, or wood, these discs deliver precision and durability, ensuring a smooth and efficient operation. They are perfectly compatible with angle grinders or die grinders with a fitable shaft such as Makita, DeWalt, Milwaukee, Tack life, Bosch, Craftsman, and Black and Decker grinders. ⛑️SAFETY Safety is our priority, so trust in these aluminum oxide grain discs to provide a secure, reliable, and long-lasting solution. To reduce the risk of injury: wear proper eye, face, body, and respiratory protection. Do not drop. Comply with ANSI B7.1 &OSHA. Do not exceed the max RPM marked on the wheel. Use proper guards. ⚙️PRODUCT FEATURE 4" x0.045" x3/8" (100mmx1.2mmx10mm) Diameter: 4 inch, 100 mm Thickness: 0.045", 1.2 mm. Arbor: 3/8 inch, 10 mm Maximum speed 20,000 RPM