So the tools are strong and reliable. The air gauge is a joke, it was broken when I opened the box, my head was right there on my gloves. There were harsh browns and blacks on the grease seal, but the grease was fine. The patches aren't good either and the glue just doesn't stick to anything. He came a few days before departure so there was no time to return. Plus it was only $23 and change. It doesn't matter in the wallet and it's not like the sensor needs to be replaced. The important elements in this set are good, the rest is fine.