NewerTech NuMount Pivot Wall Mount for iMac and Apple Displays NewerTech NuMount Pivot Desk Mount - Assembly Hardware - Mounting Hardware - NewerTech 3 Year Limited Warranty Display Compatibility: Accommodates mid-2007 through mid-2009 24" iMac, Late 2009 through 2011 27" iMac24 & 27" Apple LED Cinema Displays27" Apple Thunderbolt Display Adjustments: Extension: 22" (55.9cm)Tilt: 90 deg.Pivot: 90 deg. (portrait/landscape)