Johnson Level and Tool 40-6863 Tripod Adapter 5/8-Inch-11 to 1/4-Inch-20<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Converts 5/8"-11 tripods thread size to 1/4" - 20</li><li>Swivelling adapter plate allows for 360° rotation</li><li>Locking knob secures instrument to desired location</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Q-EZw0rdL.jpg" noproxy>