FTL-60 High Precision Tripod Level Sprit Level Add-on Offset Bubble Level<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Can be easily installed between ball head and the tripod platform </span></li><li><span class="a-list-item"> Convenient to observe the level when opening the tripod </span></li><li><span class="a-list-item"> 60mm diameter of the horizontal disc， used to satisfy most bases </span></li><li><span class="a-list-item"> 15mm diameter of the bubble level， clear and intuitive </span></li><li><span class="a-list-item"> One piece metal Aluminum plate </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/411ZkefR3oL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2B-beP4VHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wkHLWG4-L.jpg" noproxy>