Hello, I am selling this 3M Single TV Desk Arm Mount. It perfectly fits most LCD LED flat or curved computer screens up to 32 inches, holds 4.4-17.6 lbs, suitable for VESA patterns of 75x75mm & 100x100mm. Compatible with ASUS, Acer, Samsung, LG, HP, AOC, Dell, Lenovo, etc., including but not limited to 32 30 28 27 25 24 23 22 21 20 19 17 inch screen.

You will need alley keys to adjust the Arm. If you have any questions, please let me know. God Bless!