Faucet Aerator Thread Gauge</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Identify thread pitch & diameter for 20 of the most common aerator sizes from 1/4-18 to 15/16-27</li><li>Manufactured from aluminum with the thread sizes in contrasting black print.</li><li>Includes (8) female threaded holes to measure male aerator thread sizes.</li><li>Includes (12) male threaded studs to measure female aerator thread sizes.</li><li>Carry in your tool box or use the pre-drilled holes for peg board mounting.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51V0QELYOfL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51db3RF6nhL.jpg' noproxy></br>