The NoTrax Rubber 551 connector is made of black rubber, has a male locking pattern, and can be used to interlock two NoTrax safety/anti-fatigue floor mats (sold separately) in a commercial kitchen or an industrial workspace. The male locking pattern locks to the female edges of the two mats. The connector measures 1 ft. long.
Superior Manufacturing Group manufactures NoTrax brand floor mats and related accessories. The company, founded in 1948, is headquartered in Chicago, IL.