Premium Quality Durable Gas Spring – Provides smooth, precise and effortless height adjustment for the perfect viewing angle. Universal fit – Compatible with most 17″ to 35″ flat and curved monitors with VESA 75×75 or 100x100mm standard mounting hole patterns. Full-Motion Articulating Monitor Arm – Fully articulating 2-piece arm, supports monitor height adjustment up to 23″, tilt, swivel, pan and rotation. Two Mounting Options – C-clamp and grommet mount bases are included for easy and quick installation. Detachable and Rotatable VESA Plate – Supports easy monitor installation and portrait and landscape orientation.. Specifications Screen size: 17″ to 35″ (measured diagonally); Monitor weight capacity: 33 lbs (max); Tilt angle: +/-45° (upward/downward); VESA plate rotation: +/-90°; VESA plast swivel: +/-90°; Arm swivel: +/-180°; Height adjustment: 23″; Weight: 21.77 lbs;.