The Havis Mounting Pole for Docking Station, Keyboard, and Notebook is engineered for durability and versatility. This heavy - duty telescoping pole features a precision machined solid billet aluminum clamp collar and is constructed from heavy gauge steel poles with close tolerance PVC bushings on all bearing surfaces. The pole height can be adjusted from a closed height of 5.5 inches to a fully extended height of 8.5 inches, providing flexibility for various mounting needs. An internal PVC guide ring ensures smooth height adjustments and retains the inner pole for added security. This mounting pole is compatible with many universal laptop, keyboard, and docking station mounts, and can be easily bolted to C - HDM - 100 Series vehicle - specific bases (sold separately). Additionally, it includes a standard adjustable stop collar to limit the computer's telescoping height and offers an optional top offset platform (C - HDM - 300 Series) for customized computer placement (sold separately).