Skywalker SKY-6017 Signature Series Universal Swivel Mount (SKY6017) Designed for mounting masts for TV antennas & Dish receivers Swivel design allows for greater mounting flexibility in tight places U-Bolt can be mounted on either side of base plate & and adjusted to desired position When properly installed, a simple solution for homeowners of all kinds Safely & Securely mount with ease | Accommodates masts with 1.75 Outer Diameter (sold separately)