Single gang, wood and steel stud bracket box with 3/8 offset for wood and steel stud mounting. It has two Quick/Click Entries for each end, for use with 3/8 and 5/8 wallboard. It is available in single, two, three, four gang and 4 inch square boxes. It is olded of high-impact thermoplastic and can be used for steel, aluminum, or wooden studs. 100 pack.