[NUT & BOLT THREAD CHECKER] Each Giwaelro thread checker has 26 pcs thread gauges (14 pcs for inch size and 12 pcs for metric size). Every single gauge has a male threaded stud on one end for nut check and a female threaded socket on the other end for bolt check. Help you quickly identify the size of nut & bolts for replacement or sorting.
[14 PCS INCH SIZE]: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20 (Numbers are black and permanently stamped on white studs; clear to read, do not fade)
[12 PCS METRIC SIZE]: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75. (Numbers are white and permanently stamped on black studs; clear to read, do not fade)
[QUICK IDENTIFICATION AND TIME SAVER] Just screw the nut or bolt onto thread gauge. Only take seconds to check the size. With Giwaelro thread checker standard and metric, you can easily and quickly check correct size of the nuts & bolts and replace the snapped, loose, rusted or old ones at home or garage by yourself, no need to run towards hardware store for size check any more, greatly improving your work efficiency.
[STEEL HANGING CABLE] All the thread gauges, standard and metric, are strung and protected on a stainless wire from misplace and loss. With two loops on the cable end, you can hang the thread checker from nail, sorting rack, hardware cabinet or any other place you like in garage, workroom or shop for easy access next time.