ATEN Video Extender Rack Mount Kit; Rack mounting for 1 to 12 extenders. Type: Mounting kit, Product colour: Black, Rack capacity: 3U. Width: 482.4 mm, Depth: 132.5 mm, Height: 116 mm. Package width: 247 mm, Package depth: 556 mm, Package height: 153 mm. Screw type: Hexagon, Countersunk. Master (outer) case net weight: 2.33 kg, Master (outer) case width: 247 mm, Master (outer) case length: 556 mm