When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I wouldn't spend a fortune M8, the expensive branded makes are not that accurate as I have re-calibrated a few. Considering the small vac/pressure range covered it is surprising how accurate they really are.
TBH I wouldn't spend much more than about £45 but its down to personal preference. If you are on a tight budget JAMESWRX who posts on here sells new and second hand Gauges etc Here