Dell Pro Heavy Duty Single Monitor Arm - HDA26, Number of displays supported: 1, Load capacity: 10 kg – 20 kg, Height adjustment: 300 mm, Tilt: -5° to 30°, Swivel: 180° / 360° (switchable post stop at base and joint), Pivot: ±90°, Adjustable depth, Counterbalance adjustable with provided Allen key, with counterbalance indicator, Quick Release Mechanism: tool-less snap-on for Dell UltraSharp U5226KW and U4323QE, VESA: 100 x 100 mm (VESA plate adapter included), Installation: Dual clamp disc for table edge (clamp up to 53 mm) and grommet hole (diameter 50.8 mm), Cable management: integrated slot on upper and lower arms, Kensington lock: No, Color: Black / Silver, Dimensions: 280.9 x 320 x 632 mm (H x W x D), Length: 643.9 mm, Weight: 8.21 kg, What’s in the box: Heavy Duty Single Monitor Arm, VESA Plate Adapter, Allen Key, Documentation, Warranty: 3 Years Limited Warranty