Adjustable 4.50"-6" Conduit Support & Standoff Bracket, U-Slot Channel, 6" Length Conduit Support and Standoff Brackets are also called Riser Standoff Brackets and come in T-Slot or U-Slot shapes. Conduit Standoff Brackets come in different sizes and adjustabilities to fit all conduit sizes. Use in conjunction with Clamps/Strap Kit to mount the conduit.