Versatile adapter: convert a DB9 male to a DB9 female connection for flexible cable routing. Solid build: nickel-plating ensures low resistance and longer service life. Space efficient: compact adapter fits in tight panels and short cable runs. Wide use cases: compatible with computers, industrial instruments, and RS-232 devices. Plug & play: no wiring required — instant connection for troubleshooting or temporary hookups. Wide Compatibility – Works with RS-232 serial devices including PCs, modems, CNC machines, industrial equipment, and testing instruments.