SBT-USC1K USB to Serial (9-pin) DB-9 RS-232 Adapter Cable w/thumb screws
SBT-USC1M USB to Serial (9-pin) DB-9 RS-232 Adapter Cable w/no thumb screws
SBT-USC6K USB to Serial (9-pin) DB-9 RS-232 Adapter Cable w/ thumb screws
SBT-USC6M USB to Serial (9-pin) DB-9 RS-232 Adapter Cable w/no thumb screws