Quantum Battery Clamp (QBC)
Quantam Pole Mount Clamp for use with all Quantum Battery models (except Qpaq-X).Fits both square and round poles. SQUARE: 5/8-Inch (16mm) to 1 1/16-Inch (27mm)ROUND: 3/4-Inch DIA. (19mm) to 1 1/2-Inch DIA. (38mm)