This complete kit includes: drill bit, counterboring tool, tap, tap guide, insert tool, & 5 inserts;Length of inserts included in kit: 9.0mm;Time-Sert offers the most effective method of repairing stripped drain plugs without leakage

• TIME-SERT M12 X 1.25 Metric Drain Plug Repair Kit

TIME-SERT M12 X 1.25 Metric Drain Plug Repair KitTime Fastener Co.