This listing is for a used Cygnus 4 Ultrasonic Thickness Gauge with a 225 MHz probe. The device is in good working order and has been tested. It comes with a protective silicone case, a blue probe cable, and a branded Cygnus Instruments pouch. The unit shows signs of wear consistent with regular use but remains fully functional. The bundle includes a carrying bag and strap for convenience. Please note the silicone case is slightly discolored but intact. This professional-grade thickness gauge is ideal for precise ultrasonic measurements in various industrial applications.