Shakespeares Style 495 provides a convenient Lift - and - Lay feature so you can easily lower your antenna for fishing, boat storage, or towing, It attaches to a deck, and the included leveling plate adjusts for sloping surfaces, The mount can be used on a vertical surface by adding the Style 4000 Angle Bracket (sold separately), Positive snap action - Lift antenna up and then Lay it down, Rugged polycarbonate construction, Has 3/8quot; - 24 thread brass insert, Standard 1quot; - 14 thread, Handles antennas up to 839; length, Leveling plate included for mounting to sloping deck, SKU: CBDST2283