Grind Like a Pro! 🔥 Durable aluminum oxide construction for long-lasting performance. Compatible with most 4.5" angle grinders for seamless integration. Low vibration design for enhanced comfort during extended use. Perfect for both metal and stainless steel grinding. Outstanding stock removal rate without clogging or chattering. 7/8" Arbor Size 1/4" Thickness 4.5" Diameter The SALI 25 Pack 4-1/2 Inch Grinding Wheels are designed for general-purpose grinding of metal and stainless steel. With a robust aluminum oxide construction, these discs offer a high stock removal rate while ensuring operator comfort through low vibration. Ideal for various applications, they fit most 4.5" angle grinders and provide a reliable solution for both edge and surface grinding.