The Hammond 1551TTTBU is a versatile ABS plastic miniature hand-held enclosure designed for a variety of applications. It's ideal for mounting small printed circuit boards or serving as a potting box. The enclosure is molded in a choice of black, gray, or translucent blue with a satin texture finish and includes a lid and two self-tapping screws. Features include two P.C. board standoffs, lap joint construction for dust and water protection (meeting IP54), and optional key ring kits. Flanged versions are also available for wall mounting or tie wrap suspension.