1″ U-Bolt fits .400″ to 1.315″ O.D. pipes
This #23C U-Bolt Bonding Clamp can accommodate an O.D. of up to 1.315" and cables and/or wires from #6 to 250 MCM in size. Its cast aluminum or brass construction make it a sturdy, reliable, and versatile clamp that can fit pipe, rebar, round or square bar, and ground rod. The clamp can be used for splicing, grounding, and bonding, and it is UL Listed. It is a highly universal clamp that can be applied to multiple applications, like round or square rods, ground rod clamps, and bonding floor pedestals.