ATE Pro. USA - 4-1/2" x 7/8" Premium Zirconia Flap Discs 60 Grit (10pk) {INCLUDES} - (10) Premium Zirconia Flap Discs for Angle Grinders {SPECS} - Size: 4-1/2" x 7/8" | Max RPM 13,300 | 80 M/S | Grit 60 {MATERIALS} - Constructed using both Premium Zirconia Alumina blend. Both properties combine give you the highest strength and durability for ultimate performance. Manufactured with High-Quality materials to ensure consistency and reliable abrasions for any project. Exceeding ANSI and EU European Standards. Industrial Grade, made for the Professional or DIY Individual. {PERFORMANCE} - Flap Discs Wheels made for many surfaces and uses. Great for blending, beveling, grinding, deburring, finishing, stock removal, edge chamfering, removing corrosion, polishing, and more. {COMPATIBLE} - Fits most Angle Grinders (4.5" and 5"). Reliable in many industries. Automotive, Industrial, Construction, Welding, Fabrication, Shop, Farming, and More. Flap Disc fit most common brand of Angle Grinders: Bosch, Dewalt, Milwaukee, Makita, Metabo, Ryobi, Kobalt, Craftsman, Skil, Black & Decker, Ridgid, and Others. Quality Tools & Accessories by ATE Pro. USA. Serving the Professional and DIY Individual for over 25 years.