• Best For: Floor-prep crews whose 5-inch grinder takes a 7/8"-5/8" arbor and who want the single-row MK-304CG-1 design.
• Highlight: Single-row Premium Grade cup wheel (MK-304CG-1) in the 7/8"-5/8" arbor configuration.
• Expert Note: Match the arbor to your grinder: this code is the 7/8"-5/8" arbor version, while the 5/8"-11 nut version of the same MK-304CG-1 wheel is sold under 158376.