and high quality DB9 Solderless RS232 D-SUB Serial to 9pin Port Terminal Male Female Adapter Connector Breakout BoardHigh quality joints, fine solder joints, resistance to plug, and good contact to high-quality, durability and a long life.The housing is designed with a folding buckle for easy assembly and disassembly without tools.All signal ports are clearly named and labeled on both sides of the board for quick wiring.Suitable for variety of pin connections required to use serial communications industrial control products.colour:BlackMaterial:Metal + plasticsize:46.5 x 34.5 x 21mmPackage Contents:4 x Male connector4 x Female connectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.