extends 16" and retracts back 2

please relate with us for suitable C-clamp

It can be placed on a desktop larger than 420 mm (W) ×280 mm (H) or on the floor

Load capacity is up to 88 lbs

15″ thickness or the grommet mounting fits the desk 0

Dual Monitor Stand Holds 4.4-22 lbs Each, Dual Monitor Arm for 2 Monitors, Height Adjustable Computer Desk Mount for Max 32 inch Screens, VESA Mount with C-clamp & Grommet Base, Freelift Black-MU6016B 42''-70'' Mount extends 16" and retracts backUniversal Compatibility: Supports dual 13 32 inch monitors, each holding 4. 4 22 lbs, compatible with VESA 75x75mm & 100x100mm, ASUS, Acer, Samsung, Dell, LG, and other computers. Full Motion Adjustment for Maximum Flexibility: Features +70 45 tilt, 90 swivel, 360 rotation, arms extend 18. 1 inches, height adjusts up to 26. 6 inches. The two monitor arms provide an ergonomic viewing experience, helping reduce neck and back strain while optimizing