The Hillman Group 44937 1/4-20 x 1-Inch Stainless Steel Thumb Screw， 6-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For use with a nut or inserted into a threaded receptacle to fasten parts together</li><li>A thumb screw is designed to be turned with the thumb and forefinger</li><li>Easy Grip screw</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41YSaw5oEQL.jpg" noproxy>