RAM Drill Down Mount with 100mm x 100mm VESA Plate and 2.25" Ball

Features: Round 3.68" diameter metal base with 2.25" diameter rubber ball "D" size Pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees Standard size double socket arm - Overall Length: 8.375" - Socket-To-Socket Length: 6.5625" A single spring inside the arm opens the end of the sockets, allowing you to pivot the ball and socket connection. RAM ball and socket system - Easily adjust yo your perfect viewing angle VESA 4.75" square adapter plate with 4x100mm holes and 4x75mm holes in each corner Constructed of powder coated marine grade aluminum Holds up to 6 lbs.    Made in the USA   Brand: RAM Mounts Part number: RAM-D-101U-246 Warranty: Manufacturer's lifetime warranty