Features: Copper solid needle: Selected from copper, long service life, double-layer process for port, internal and external repair, quality and longer durability. Environmentally-friendly copper terminal: Adopt environmentally-friendly copper terminal, which have strong contact and better stable signal transmission. Clear pin: The number of pin circuit board is clear, and the connection port is large, which brings convenience for wiring. Flame retardant and plug-resistant: The port have high hardness, wear resistance and plug-resistance. Application: Compatible for all 50-pin and serial devices. Specifications: Component:Metal+Plastic Type:Male/Female Size:Approx.68x81mm/2.68x3.19inch Package Includes: 1Pc DB50 Connector note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.