STRUTLOCK™ Wire Locking Devices interface with TOUGHWIRE™ DW2 and DW3 wire rope (sold separately) to create an adjustable and lockable device correlation for HVAC, sheet metal, electrical, and plumbing/pipe applications. This device is installed into the strut or channel profiles used to hang trapeze supports. Featuring tool-free adjustability and locking, the TOUGHWIRE™ Wire Locking Devices are equipped with high visibility product identifiers. Get right to work with the included square washer and strut nut.