A fully shielded metal case plus a variety of end caps allow the user to create and build a variety of data line adapters. End cap options include DB9, DB25, DB37 female plus blank and 0.5" hole versions. 3" x 3" x 1" size allows ample room for a PC board and small components. Durable construction featuring heavy gauge steel and nickel plated end caps. Color is beige, (8) assembly screws provided.