The LDT12-C034N is an 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 7kg/15.4 lbs. Full motion structure allows smooth, effortless rotating and positioning for any direction, making it easy to find the perfect viewing angle. Besides, 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 Freely Adjusting Height: for an optimal ergonomic position SPECIFICATION Product Category: Articulating Monitor Arm Rank: Economy Material: Aluminum,Steel Surface Finish: Powder Coating Color: Matte Black Dimensions: 1430x148x548mm (56.3'x5.8'x21.6') Fit Screen Size: 13'-27' Fit Curved Monitor: No Screen Quantity: 3 Weight Capacity (per screen): 7kg (15.4lbs) VESA Compatible: 75x75,100x100 Tilt Range: +45°~-45° Swivel Range: +90°~-90° Screen Rotation: +180°~-180° Arm Full Extension: 658mm (25.9') Pole Height: 443mm (17.4') Installation: Grommet,Clamp Suggested Desktop Thickness: Clamp：10~88mm Grommet：10~75mm (Clamp：0.39'~3.5' Grommet：0.39'~3') Quick Release VESA Plate: Yes Cable Management: Yes Anti-theft: No