Stupid Simple Tools Identibolt

the SST - Original Identibolt, your pocket-sized solution to thread identification frustration. Save valuable workshop time with this comprehensive tool featuring both Imperial SAE and Metric thread checkers, from 6 to 1/2 in. and 4mm to 14mm. Never guess a thread size again thanks to the 28 precision-machined nuts and bolts identifiers that deliver instant, accurate measurements every time. The convenient wall mount keeps this American-made quality tool within reach whenever you need it, while built-in inch and centimeter rulers add extra functionality to your workflow. Crafted with pride in the USA, the SST - Original Identibolt combines durability with precision to become the thread identification standard in workshops everywhere.