AdirPro Bipod Leg - Prism Pole - Antenna Pole Clip Easily attaches to the base of any 1.25 inch O.D. prism or antenna pole Snaps into the clip making the system convenient for transport or storage Fits poles 1.25" (32mm) diameter Thumb screw clasp, Two open clips Weighs 0.04 lb (0.02 kg)