Unistrut is a Brand or Trade name which, like Crescent Wrench, is often applied to a wide variety of product from many different Manufacturers, which fit the description of steel support channel. The Original Unistrut is manufactured by the Unistrut Company, a division of Tyco International. Unistrut was originally developed as a faster cheaper alternative to steel framing, since it did not require welding and all the hardware was reusable. Unistrut is often used to support conduit, IT cable raceways, walkways, and plumbing. Unistrut is structurally rated. Carriers and other accessories can be purchased for Unistrut for a variety of different needs. The use of Unistrut-type mounting devices for lighting fixtures divides into two categories: the ambivalents who tolerate it, and those who despise it and will use it only after exhausting every other option. A tool that attempts to make insertion of the "boingy nut" easier: Strutster. Some electricians feel that the spring on the nut is a hindrance (such as when sliding a fixture horizontally), and prefer to break them off. A popular compatible competitor is Kindorf® SuperStrut®. See also the City Theatrical Track Tamers™ line of hardware.