The FD-27ZRB 4-1/2X7/8 40 by CGW is a versatile grinding wheel designed for high-performance applications. With a diameter of 4-1/2 inches and a thickness of 7/8 inches, this wheel is perfect for use on various materials, including metal and masonry. Rated at 40 grit, it provides a balance between material removal and surface finishing. CGW is known for its quality, ensuring that this grinding wheel meets industry standards for safety and performance. Ideal for both professional and DIY use, it is compatible with standard angle grinders, making it a reliable choice for any workshop.