Review on ZKTOOL Cylinder Rethreaded Rethreader Insert by David Fuller

This product is a game-changer for anyone who works on engines. Through trial and error I found that the ZKTOOL Cylinder Rethreaded Rethreader Insert works wonders when it comes to repairing stripped threads. It`s an effective and straightforward tool that saved me a lot of time and money .The only downside is that it's not ideal for larger threads, but for most automotive applications, it works like a charm. Highly recommended!