This is upgraded monitor arm, which double joint is able to be tightened, so you can adjust exactly how stationary you want everything to be. Constructed of high grade steel, this rugged mount built to resist scratches and supports screens up to 8kg/17.6 lbs and 32' in size. Cable clip is included for keeping cables organized and protected. FEATURES Detachable VESA Plate Design: enables easy installation Cable Management: keeps everything organized 360 Rotary VESA Plate: for more viewing experience Two Mounting Options: both desk clamp and grommet are included Specifications Product Category: Articulating Monitor Arm Rank: Economy Material: Steel Surface Finish: Powder Coating Color: Matte Black Dimensions: 1006x356x905mm Fit Screen Size: 13'-32' Screen Quantity: 1 Weight Capacity (per screen): 8kg (17.6lbs) Laptop Weight Capacity: 4kg (8.8lbs) VESA Compatible: 75x75,100x100 Tilt Range: +45~-45 Swivel Range: +90~-90 Screen Rotation: +180~-180 Arm Full Extension: 399mm Pole Height: 800mm Installation: Grommet,Clamp Suggested Desktop Thickness: Clamp:0~88mm Grommet: 10~75mm (Clamp: 0.39'~3.5' Grommet: 0.39'~3') Quick Release VESA Plate: Yes Cable Management: Yes Package Package size: 42x29x7.5cm 5.4kg