Features： 1、Assemble Design: Can be assembled or disassembled easily. After assembling and fixing the support surface of the table legs and the desktop, your desktop will become movable, and then fix the base in the dining room of the RV, next to the sofa, on the deck or anywhere . 2、Aluminium Alloy Material: Anodized surface, a beautiful appearance and frosted feel, and have the characteristics of oxidation and corrosion resistance, and will not be corroded even in the harsh environment of the sea. 3、2 Step Heights: The lowest height is about 445mm/17.5in, and the maximum height is around 685mm/30in. Equipped with a controllable stepless adjustment knob, you can adjust the height according to your needs. 4、Features: When you need a freely movable table for dining or office, you can assemble this table leg and adjust it to the height you need to suit your working environment; when not in use, the base rod can be taken out and leave the base directly, very convenient. 5、Usages: Widely applicable to RVs, camping cars, caravans, boats, yachts, furniture, indoors, balconies, etc. It is also an ideal choice for workshops, kitchens or cabs, better meet your various demands. Specification： Item Type: Adjustable Table Leg Material: Aluminium Alloy Surface Treatment: Frosted Color: Silver Base Diameter: Approx. 178mm/7.0in Desktop Board Diameter: Approx. 178mm/7.0in Rod Diameter/Rising Height: Approx. 60mm/685mm (2.4in/30in) Rod Diameter / Retracted Height: Approx. 60mm/445mm (2.4in/17.5in) Application: For RV, yacht, camper, home deck, terrace, etc. Package List： 1 x Telescopic Support Rod 1 x Desktop Support 1 x Base 12 x Fixing Screw