PanaVise 827-09 9-Inch Deluxe Mount<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Both adjusting points have a full range of motion: 210° Tilt， 360° Turn &amp; 360° Rotation </span></li><li><span class="a-list-item"> 1/4-20 mounting stud with lock ring </span></li><li><span class="a-list-item"> Shafts are machined aluminum alloy 0.875" (22.2mm) in diameter </span></li><li><span class="a-list-item"> Knob and tamper-resistant set-screw adjusting options included </span></li><li><span class="a-list-item"> 9-Inch (228.6mm) overall mount length </span></li><li><span class="a-list-item"> Both adjusting points have a full range of motion: 210 degreesTilt， 360 degreesTurn &amp; 360 degreesRotation </span></li><li><span class="a-list-item"> 1/4-20 mounting stud with lockring </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Shafts are machined aluminum alloy 0.875-Inch (22.2mm) in diameter. Knob and tamper-resistant set-screw adjusting options included.</span></li><li><span class="a-list-item">Square mounting base for solid surfaces， 2.5-Inch x 2.5-Inch (63.5mm x 63.5mm)，with four 0.219-Inch (5.56mm) holes on 2.0-Inch (50.8mm) x 2.0-Inch (50.8mm) layout.</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31A-tBqE17L.jpg" noproxy></div></div>