is equipped with a camera plate that slides forward and back for macro positioning, and features a safety button that limits the amount of sliding on the quick release. Quick release plate is fitted into a compatible tripod's pan head or ball head quick release mechanism.<br><br><img src="//agdetail.image-gmkt.com/m430/681/859/596859681/img/agdetail.image-gmkt.com/681/859/596859681/img/des.chinabrands.com/uploads/2015/201506/heditor/201506111528081186.jpg" alt="MH621 Rapid Connect Adapter with Giottos Compatible Quick Release Plate" /><br><br / ><B><span style="font-size:14px;">Features:</span></B><br><b>Sliding design</b>, easily slide the camera forward and back<br><b>1/4 and 3/8 inch camera thread provided</b>, choose appropriate screw to mount your camera<br><b>Two level bubbles</b>, let you know whether your shooting angle is horizontal, vertical or not<br><b>Spring loaded video pin</b>, convenient to use<br><b>Knob and safety switch</b>, dual protection <br><b>Two threaded holes</b>, store the unused camera screw                 <strong>Type:</strong> Photography tools                                            <strong>Package weight:</strong> 0.3154 kg <br />             <strong>Product size (L x W x H):</strong> 10 x 10 x 2 cm / 3.93 x 3.93 x 0.79 inches <br />             <strong>Package size (L x W x H):</strong> 11 x 11 x 3 cm / 4.32 x 4.32 x 1.18 inches                               <strong>Package contents:</strong> 1 x MH621 Rapid Connect Adapter, 1 x Screw, 1 x Hexagon Wrench