Board Compatibility: Fits screens up to 45 inches and 4 to 44 lbs, VESA compatibility for 75x75mm and 100x100mm patterns Consistent Sturdiness: Built with an optimized tilt structure and gas spring tested for 25,000 cycles, ensures reliable support and prevents sagging for long-lasting performance Desk Protection: Steel Monitor Mount Reinforcement Plate for Thin, Glass and Other Fragile Tabletop, Steel Bracket Plate protects desk from scratches and deformation, providing long-term surface protection