Product Description Atdec's Donut Poles offer superior display versatility. They come in three different lengths each including one QuickShift Donut to guarantee a customized display installation. The cutting-edge QuickShift lever allows the screen to be moved up and down the pole by hand, without the need for any tools. Viewing angle and screen orientation are also fully adjustable thanks to the ball joint mechanism, finished off with a quick release mechanism to rapidly remove and change screens. Built in internal cable management ensures a professional finish for maximum display impact. From the Manufacturer Spacedec Donut Poles offer superior display versatility. They come in three deferent lengths each including one Quick Shift Donut to guarantee a customized display installation. The cutting-edge Quick Shift lever allows screen to be moved up and down the pole by hand, without the need for any tools. Viewing angle and screen orientation are also fully adjustable thanks to the ball joint mechanism, finished off with a quick release mechanism to rapidly remove and change screens. Built in internal cable management ensures a professional finish for maximum display impact. It is available in 3 different pole lenghts: 420 mm (16.5-Inch), 750 mm (29.5-Inch), and 1150 mm (45.3-Inch). SD-DP-420 Spacedec Donut Pole MountClick here for a larger image Picture showing desk clamp and bolt through mounting optionsClick here for a larger image Picture showing ball joint and quick release mechanismClick here for a larger image Picture showing internal and external cable managementClick here for a larger image Product Key Features: Designed for simple installationQuick Shift donut guarantee a customized display installationThe cutting-edge Quick Shift lever allows screen to be moved up and down the pole by hand, without the need for any toolsQuick release mechanism for fast display attachment/removalBall joint mechanism allows 20-Degree of display adjustment in any direction from the vertical planeViewing angle and portrait/landscape screen orientation are also fully adjustableAdvanced internal and external cable management ensures a professional finish for maximum display impactBolt through and desk clamp mounting options includedComes with all mounting hardwareMade up of Aluminum/Steel10-Year limited warrantyGeneral Features:Display Compatibility: Spacedec Donut Pole is compatible with most Flat Panel Displays between 12-Inch (30 cm) and 24-Inch (61 cm) that feature either 75 mm x 75 mm or 100 mm x 100 mm VESA mounting hole patterns. Display Weight Compatibility: Each Quickshift Donut supports a maximum weight of 12 kg (26.5 lbs) Donut Pole 420 mm supports a total of 12 kg (26.5 lbs)Donut Pole 750 mm supports a total of 24 kg (53 lbs)Donut Pole 1150 mm supports a total of 36 kg (79.5 lbs)Mounting Option: Spacedec Donut Pole Single, Double and Triple includes Bolt Through and Desk Clamp mounting options Desk Clamp suits desktop thicknesses from 12 mm (0.5-Inch) - 38 mm (1.5-Inch)Bolt Through suits desktop thicknesses from 12 mm (0.5-Inch) - 40 mm (1.5-Inch)Cable Management: Cable Slot, Cable Clips and Cable Balls (included in package) Spacedec: The Spacedec range offers advanced, ergonomic flat screen mounting solutions for home, office, and other commercial applications with a wide range of size and weight options. Spacedec's range is perfectly engineered using the highest quality material, and smart features allows for the easy adjustment of monitor height, and viewing distance, all from a seated position.