I sent one of these to my last GJSS victim: https://www.amazon.com/dp/B0D7CVNF8B?tag=atomicindus08-20 He's been satisfied.I have one of those and I used it for a long time. I eventually replaced it, not that I got rid of it. It bought something that said case is easier to haul around. I specifically bought this one That is no longer available
FOLIV 47PCS Nut and Bolt Thread Checker, Thread Gauge SAE and Metric, 26 SAE & 21 Metric for Quickly Checking Bolt Size and Thread, Red & Gold Color: Amazon.com: Industrial & Scientific
FOLIV 47PCS Nut and Bolt Thread Checker, Thread Gauge SAE and Metric, 26 SAE & 21 Metric for Quickly Checking Bolt Size and Thread, Red & Gold Color: Amazon.com: Industrial & Scientifica.co
A totally different brand that I've never tried. That is more expensive than what I bought but similar makeup
They list the sizes and thread in the top so when you open it he can quickly see where things are that you want. And since I have both I usually grab the one in the case. But I used one that dangle from an out for many years before I bought the other















































