Specifications: Female to Female: Coupler type - connect two serial cables together or use as a gender changer. Straight through connection. Mostly use with series RS-232 cables. Male to Male: This DB-9 male/male gender changer converts a female cable or port into male. It allows two female cable to be connected. DB9 adapter. Male to male. Mini gender changer. Coupler connector. Straight through. Male to Female: Protect your DB9 serial port with our port saver! This quality port saver will easily protect your port from damage caused by the connecting and disconnecting of peripheral cables. Type: Changer Material: Metal Main Color: Silver, Yellow Features: 9 Pin, Mini and Durable, Convenient, DB9 Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Changer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin