Sales Kit - Time - Service. Provides the most effective way to repair a peeling drain plug without leaking. Here are before and after photos of me restoring it two and a half years ago。-https://www.amazon.com/TIME-SERT-1-50-Metric-Drain-Repair/dp/B003SER3PA
Only one of them was used, one was lost, leaving 3 blades. $90 including shipping,