Mount your device quickly with our quick-release base. Simple clamp with push, twist, clamp action. Features Inner sleeve contains roll pin in order to push, twist, and secure the mount in place before clamping Grooves in base help align the roll-pin to help keep sleeve in place even when clamp is open Padding inside base creates tension between the sleeve and base to reduce vibration and eliminate rattling Made of anodized aluminum making it a light-weight, clean solution Base contains VESA 75mm hole pattern (M6 hardware recommended; not included)