... , hex nut and EPDM, Material-metal, znic plated, with EPDM (black rubber). Size-1/2" Zinc Plated Pipe Clamp with EPDM Pipe Clamp ... pipe, gas pipe line, rural service pipe, wire tube, construction and other industries fixed .Product thickness range 1.2 mm ,1 ... -25380---81-86315---312-31890387-92355---352-358 (1/2 inch) Zinc Plated Pipe Clamp with EPDM