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