-This bracket holds a radio antenna securely to a tripod leg   -The heavy-duty bracket makes plumbing the antenna easy   -Fits all full-size and heavy-duty tripods and uses a 1/2 inch long, 5/8 x 11 male stud to secure the antenna or extension (tripod sold separately)   -It can be used with the SECO Six Foot Snap-Lock Radio Antenna Pole (#5139-02) or any extension with a male/female 5/8 x 11 connection   -Weighs 1.55 lb (0.70 kg)