Closed-type tubing clamps are made of zinc-plated steel wire. Additional Info: Screw Compressor Tubing Clamps, Opens To 1.0" Package Size(L x W x H): 1.5 X 2.5 X 0.3 (IN) Categories: Clamps, Screw Compressor HTS Code: 8205.70.0090 UNSPSC: 4.11224e+007 Country Of Origin: INDIA