●【Accurate & Effective】KIKETECH thread checker quickly identify the size of bolts and nuts. Stay away from the messy screw and save your time! ●【Corner Support】The bottom of the nut and bolt identibolt comes with a 1cm raised support to avoid hitting the wall or desktop when testing bolts and nuts. ●【Laser Engraving Process】Even if the thread gauge sae and metric is scratched by sharp objects, the words will not be scratched. ●【Excellent Material】The bolt and nut identifier gauge base plate is made of 6061 Aluminum material and 304 stainless steel bolts. High accuracy and wont rust even after a long time of use. ●【Wide Measuring Range】Two different size measuring units - metric & standard. UNF/UNC bolts and nuts can be measured. Both sides of the thread pitch gauge can also be used for length measurement, very convenient! ●【Wall Mounted】KIKETECH thread checker comes with 4 hanging ports - horizontal & vertical, to meet the various placement requirements of tool users.