2 METHODS of INSTALLATIONS: This dual monitor arm comes with 2 separate mounting choice: - 1) Desk clamp: heavy-duty ?C? clamp (fits desk thickness between 10mm and 100mm) offers supreme stability, keeping your screen fixed firmly and safely in place; 2) Grommet base install: fits desks with bolt-through hole (hole diameter supports min.10mm-max.100mm); the grommet base of our dual monitor stand supports desk thickness from 10mm to 85mm Excellent Flexibility: As an angle adjustable dual monitor stand and height adjustable dual monitor arm, featuring +90/-90 tilt, 180 swivel and 360 rotation for superb flexibility; Maximum arm extension length of 430 mm, height adjustable for optimum viewing angle; Our dual monitor stand is designed for more ergonomic viewing angles, perfect for multitaskers, designers, programmers, gamers alike VESA Compatibility: Our dual monitor stand fits all flat screen monitors and TVs with VESA sizes of 75x75 mm or 100x100 mm (Please ensure your monitor screen is compatible with this mount?s MAX VESA by checking the manual or by measuring the distance between the 4 holes on the rear of the screen); VESA plates for this dual monitor stand are quick fit and detachable for easy installation Strong steel Dual monitor stand: This Dual monitor stand can mount two screens side by side to conveniently free up desk space. Holds two 13?-27? TV or monitors with a maximum load capacity of 10 kg for each arm. For other dual monitor arm in marketplace, this dual monitor mount is a great dual monitor stands for desks Guaranteed software updates until ? : ? unknown Country of origin ? : ? China Item model number ? : ? MDM 002 ASIN ? : ? B01MR397OH Manufacturer ? : ? BONTEC Date First Available ? : ? 6 Jan. 2017 Product Dimensions ? : ? 86 x 86 x 43 cm; 93.24 g Is discontinued by manufacturer ? : ? No Special Features: BONTEC dual monitor stand with the concealed wiring design, keeping your desk tidy and clean; This dual monitor stand has storage slot for Allen keys. And this double monitor stand comes complete with instructions plus all fixtures and fittings needed for simple installation. This dual monitor arm get your 2 monitors up and improve your workspace, is your best choice. Bringing you double the visual experience and double the efficiency Brand BONTEC 6381369