The FLEX-HN STD GB 4-1/8 120SC from Field Tool Supply is a high-performance grinding wheel designed for versatile applications. With a diameter of 4-1/8 inches and a grit rating of 120, this wheel is perfect for achieving smooth finishes on various materials. Constructed with premium abrasives, it ensures durability and consistent performance. Ideal for metalworking, woodworking, and other fabrication tasks, this grinding wheel is an essential addition to any workshop. It meets industry safety standards, ensuring reliable operation.