Quik Lok BX-718 Keyboard Accessories<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Constructed with 30mm x 30mm steel tubing and arc-welded joints </span></li><li><span class="a-list-item"> Unique spring-loaded locking pins at base of the seat for safe secure height adjustments </span></li><li><span class="a-list-item"> Four height positions </span></li><li><span class="a-list-item"> Padded seat cushion reinforced with dual steel rails </span></li><li><span class="a-list-item"> 300 lb weight capacity </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ApNUZAK5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31HBem0EPkL.jpg" noproxy>