- Part number TUB5 discontinued, we will not accept any more parts orders for the old part numbers, please use new part number C-HDM-208- See the "heavy duty mount configurator" under the resources tab above for more information on how to order your solution- Heavy duty telescoping pole with precision machined solid billet aluminum clamp collar- 5 inch tube- Mounting pedestal with adjustable height from 5.5" to 8.5"- Internal PVC guide ring to provide additional support and smooth pole height adjustment as well as to retain the inner pole for security purposes and gas shock use- Any Havis base plate can be mounted to base of tube- Any Havis motion device or docking station can be mounted to top of tube- Material: heavy-gauge steel construction for rugged durability- Height 1: 5.5 in (14.0 cm), height 2: 8.5 in- Optional top offset platform C-HDM-300 Series to add computer where you want it (sold separately)