These 42" High popular posts provide classic good looks and durability for either indoor or outdoor court applications. This 3” square (SQ) tennis post is constructed from heavy-duty 11-gauge steel. Posts are internally wound and feature a self-locking gear mechanism. Gears are constructed of plated steel and the small gear is case hardened. Gear housings and caps are made of cast aluminum alloy. Gear function is 30:1 to ensure a smooth, easy operation. Posts are finished in forest green or black baked-on polyester powder coat finish to resist rust and increase durability. Integrated welded steel lacing rods are included for a professional net installation. Flush mounted gear plate cover and removable handle are chrome plated.