Tilts up to +20&730; with fixed positions of 0&730;, 15&730; & 20&730; 2 Heavy duty collars included with covers Mounts screen in landscape or portrait style Security Allen key & screws provided Supplied with safety bolt for secure installation Simple hook-on installation with all mounting hardware included Use with BT8009 for back-to-back screen installations (only one screen will tilt) Can be used with both vertical & horizontal poles MUST BE USED WITH FLAT SCREEN INTERFACE KIT (BT7507 / BT8600 / BT8500 / BT8501) CEILING MOUNTS, POLE & FLAT SCREEN INTERFACE SOLD SEPARATELY