conduit clamp is a one-piece design that installs with just one hand. It attaches to cable tray rungs, traditional strut channel and open channel side of 4Dimension strut profiles, allowing cable and conduit to be secured into place, grommets are used as protection for cables and wires from pulling. They are also used for bend protection in casing apertures. They are especially useful in electrical equipment, for instance in electrical drills.