Material: 316SSStandards: ASTM A167, F593 The 2 piece pipe/conduit clamp includes the necessary hardware for assembly.Part Number Pipe/Rigid Conduit (Inches) 5050 1/2" 5075 3/4" 5100 1" 5125 1 1/4" 5150 1 1/2" 5200 2" 5250 2 1/2" 5300 3" 5350 3 1/2" 5400 4" 5500 5" 5600 6" 5800 8"