Includes mount hardware and 1.5" thread connector for attaching to E or EA 1.5" threaded columns. Mounting interface is VESA from 75x75mm through 200x200mm. Optional AD400 adapter extends mounting pattern through 400x400mm. Mount is set at a 70° angle, and the mounting plate can be adjusted from 70° up to 90° maximum tilt. CEILING PLATES AND COLUMNS SOLD SEPARATELY.