Heavy-duty 5/16 Inch hex bolt with multi-driver head, Robertson square, Phillips cross-recess and slot, provides a full range of installation options. Reconfigure wiring without complete disassembly. Remove cables easily without disturbing neighboring clamps. Parallel hook design keeps conduits and cable square with strut. Works with all depths of strut - 13/16 Inch to 3 1/4 Inch Description Category Hose or pipe clamps Type Pipe Straps, Pipe Clamps & Hangers (Series 700) Special Features One-piece, heavy-duty construction ready to install right out of the box, no need to break apart and reassemble, no screws or bolts to drop. Application Attaches a full range of EMT, Rigid conduit and cable to strut channels. Specifications Material Steel Finish SilverGalv/Electro-Galvanized Number Of Holes 0 Classifications Brand Name Superstrut Standard UL E160899 Dimensions Maximum Clamp Diameter 1.725 in Minimum Clamp Diameter 1.400 in