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Reviews (4)

13 Aug, 2018
Good tool
Works just as it should, and includes an adapter for use with a larger size spark plug hole as well. Small size is the more common automotive and small engine thread size. Great tool for diagnosing engine problems, at a good price. Gauge will hold peak pressure until the release button is pressed.

10 Jan, 2020
Great electronics project
Great little project, easy to complete and works great. Information can be found on the web to help with assembly. Requires a power supply like a laptop power transformer to use.

28 Dec, 2020
Great value
This seems as easy to play on as a 4C or student model mouthpiece but allows more variable tone and articulation. Allows better response to the player’s expression. I don’t think I’ll need to upgrade for a long time from this one. It’s great on my Martin tenor saxophone.