This Heavy Duty tripod is compatible with DirecTV and Dish Network. The mast is 2 inches on one end for DirecTV and on the other end measures 1 5/8 inches for Dish Network. Measures 34 inches from the feet to the tip of the mast. This Tripod was designed for the larger HD satellite dishes. The tripods can be permanently bolted to building surfaces or even concrete with the proper anchor bolts which you provide. This is one of the best tripod for your Satellite system. Use this portable tripod for your RV, Camper, Apartment or Tailgating. Works on almost all your satellite dishes. The tripods collapse to a bundle that can be stowed in RVs or even carried in passenger vehicles if a portable antenna stand is needed in a mobile application. Sturdy steel construction Zinc / galvanized surfaces resist rust Mount on roofs, decks or any sturdy surface Swivel feet rotate to accommodate pitched surfaces Can be used as a portable tripod for RV use Comes with universal mast with 2" and 1 5/8" for DIRECTV and DISH