🔧 Ullman Universal Spark Plug Gap Gauge, 1-1/2" Diameter - Accurate and Versatile Tool for Adjusting Spark Plug Gap Review

This may not be accurate enough. At a certain point it no longer fit my factory pre-gap spark plug and my existing old spark plug.

love these little money counters, not always the most accurate but when working with a lawnmower or herbivore they are pretty accurate. I use a wire gauge to see if this appears correct.

First use of this tool. It worked great. Simply insert the spark plug into the rim and twist until it stops slipping. this is your gap Too big, crush on a hard surface. Too small, use the hole in the tool to open it wider. The tool is just over a quarter solid metal and feels solid - you can't break or damage it, so it'll last forever. Adjustments (e.g. so small that you can't tell if you moved it) - the tool will tell you if you hit the correct gap or not.

This is a spark plug conductor. This is a very simple tool that will always come in handy as you can use it on anything that has a spark plug. I recommend everyone to have a few of these tools with them. I keep one on my keychain, I wear one on the guy who lives on the couch's keychain, I put one in my emergency kit, I put one in the store, and I even keep one in the glove compartment. Why do I have so many when you really only need one every now and then? trolls. Trolls eat them. That's the…

Difficult to read. It's a little different from the picture with the numbers and lines darkened. The processing of the tool also differs somewhat from the illustration in the description. When using the millimeter scale, the spark plug hits the inside edge of the tool so I can't read the scale when measuring the spark plug. This is probably common to all instruments of this general type. Accuracy seems good compared to my stylus set. The stomata part of the tool seems to work fine. However, the