Axler QRA-501S Quick-Release Assembly<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"> Sliding Camera Plate | 1/4"-20 and 3/8"-16 Camera Screws </span></li><li><span class="a-list-item"> Compatible with Manfrotto 501PL Plates | 1/4"-20 and 3/8"-16 Mounting Threads </span></li><li><span class="a-list-item"> Ratchet-Style Locking Knob | Three Built-In Bubble Levels </span></li><li><span class="a-list-item"> 3/8"-16 Mounting Screw and Hex Key </span></li><li><span class="a-list-item"> Includes: QRP-501S Quick-Release Plate (Standard)， 3/8"-16 Mounting Screw， Hex Key， Limited 1-Year Warranty， Quick-Release Adapter </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51F-I5ci7LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wMHyJjp7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51veAdkDi%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51DjWK9SWOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51UVpTVIMRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xoyN3%2BlxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PNQUqbhpL.jpg" noproxy>