Parallel Groove Clamp Electrical Aluminum and Copper Parallel Groove Connector Aluminium PG Clamp Electrical Goods Product Characters: Product Type: Anti - Radar Earth Protection, Parallel-Groove Clamp Material: Aluminum + Copper Usage: Overhead Steel Hardware Using size: 16-150mm2 We also supply other products series including electrical accessories, indoor lighting and outdoor lighting, please visit our homepage for more information.