Glide Gear Adder 250 PRO Roller Bearing Video Track Slider<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Roller Bearing Sliding System </span></li><li><span class="a-list-item"> 50 lb Load Capacity/ Solid Aluminum Rails </span></li><li><span class="a-list-item"> 1/4″-20 &amp; 3/8″Mounting Options On Feet And Middle Plate </span></li><li><span class="a-list-item"> Bubble-Level on Sled/ Rail Ends/ Ball Head Not Included </span></li><li><span class="a-list-item"> Bumpers/ 2 Sled Locks/ Protective Carry Bag </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/417sOgLHUiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41sgQBWFiIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41h2bGBf0YL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dpdAPfyeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41HAgFMzrpL.jpg" noproxy>