Woodstock D4158 4-84 Screw Pitch-Gauge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>52 different sizes; 4 by 1/2 TPI， 5 by 1/2 TPI and 11 by 1/2 TPI; From number-4 to number-84</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41gMXLd312L.jpg" noproxy>