Cast aluminum pipe clamp with stainless steel spacer and bronze 2-way bolt pressure cable holder. For bonding aluminum compatible piping to copper cable. Fits up to 6-3/4 in. (11.43 cm) OD pipe. Cable holder can be turned 90 degrees. 3/8-16 stainless steel U-bolt, nuts, washers and separator. 8-1/4 x 8-1/2 in. (21 x 21.6 cm); approximately 22.3 oz. (632 g). Also available for aluminum cable to copper pipe configuration.