The Cisco Vertical Tree Mast on Thumbscrew Mount stands 36 inches high and can hold up to four rod holders. It is a solid aluminum 7/8-inch mast that will rotate 180 degrees after you're done fishing to protect rod tube holders when docking the boat. The Cisco Vertical Tree Mast on Thumbscrew Mount is built to last and withstand extreme fishing and water conditions. Model: TRMST-TS 36 in. high Capable of mounting four rod holders Solid 7/8 in. mast Durable aluminum construction All anodized aluminum components Designed for quick and easy removal of fishing rod Turn unit 180 degrees when not in use Remove unit for storage option Tested to withstand extreme amounts of torque Manufacturer's limited lifetime warranty