Description: Material: This Boat Cover Support Pole is made from rust resistant, sturdy aluminum, and a sturdy base made of tough ABS plastic and PVC. It's designed to withstand the harsh marine environment while providing reliable supportAdjustable Height: The height of the Pontoon Boat Cover Pole can be easily adjusted to suit your needs. Simply twists and locks at your desired height for a fitFeatures: This Boat Pontoon Cover Pole provides good support for your boat cover, helping to reduce and prevent the accumulation of debris and water. It's an essential accessory for maintaining the condition of your boat coverEasy to Use: The Boat Traps Standing Pole System can support any area under your boat cover with ease. Its telescopic design allows you to adjust its length as needed - just twist to lock or unlockWide Surface Design and Stable Base: The wide surface design evenly distributes cover tension, while the base bracket stabilizes the boat cover support system ensuring it stays in place even in windy conditions Specification: Telescopic length 78cm/30.71inch-136.8cm/53.86inch; Base diameter 23cm/9.06inch Package Includes: 1Boat Cover Support Pole Note: Please allow slightly errors 1-2cm differences due to manual measurement.