Ground Clamp, Bronze Size 1/2 in to #1; 10 AWG Solid to 2 AWG Stranded Conductor; Size 0.66 in W x 2.28 in D Screw Connector to Pipe, Screw Wire Connector Installation; Approval Ul 467 These Bronze Pipe clamps ground clamps are sued with water pipes for earthing and bonding as per UL 467. they are cast in our sand casting and shell moulding facility in India. We are one of the leading Indian players in this field of Bronze and Copper alloys and supply to US and Canada since more than 2 decades.