I have a very cheap plastic one with a dial, which works amazing well for the cost (<$10). I don't remember where I bought it, but it looks like this one: htt

I have a very cheap plastic one with a dial, which works amazing well for the cost (<$10). I don't remember where I bought it, but it looks like this one: https://www.summitracing.com/parts/sum-900003 https://www.summitracing.com/parts/sum-900003