The M11X1 5X30mm Time Sert Insert 11155 Quantity worked wonders in repairing a stripped thread in my car. Based on our own experience we found that the product was easy to use and saved us a trip to the mechanic. The kit comes with all the necessary tools and instructions, making the repair process seamless and efficient. The only downside is that the kit can be a bit pricey, but the cost is worth it considering the time and money saved on professional repairs. Overall, highly RECOMMEND for any automotive DIYer..