This monitor arm can be attached to round pipes with a diameter of 28-60mm. It complies with VESA standards and can mount LCD displays with 75x75mm and 100x100mm mounting holes. The monitor can be oriented in any direction. The display mounting part can rotate 360°. [Specifications 1] Size: See dimension diagram Weight: 960g Color: Black Mounting location: Pillar/Pole Compatible pole diameter: Round pipes with a diameter of 28-60mm Number of screens: 1 Compatible monitor size: Up to 32 inches Compatible monitor weight: Up to 8kg [Specifications 2] Total weight capacity: 8kg Arm length: 269mm Movable range/LCD monitor: Left and right 180°, up and down 30° each, 360° rotation Shipping form: Knock-down assembly It was installed on a 25mm steel rack by placing a thin rubber sheet on the clamping part. The parts can be disassembled, so it can be easily installed on an already assembled steel rack. I am selling this because the position doesn't fit my environment. It was installed and removed immediately, so it is in near-new condition. The accessories are only those shown in the image. Spacers are not included. The accessory bag has been opened for installation.