Specification: Working pressure: 3000 PSI Max water temp: 140 Bayonet connection 1/4 quick connect female fitting Fits models: Karcher K2 K3 K4 K5 K6 K7 series Features: The adapter for Karcher is designed for use on Karchers K2 K3 K4 K5 K6 K7 handgun and wont fit K1700 K1700 cube, K1800, K1900, K2000. The pressure washer adapter converts the standard bayonet fitting on the end of handgun to 1/4 in. quick connect female fitting that can accept the 1/4 in. nozzles or lance attachments. Made of high quality brass and rubber, this Karcher adapter is rated for use at up to 3000 PSI Working temperature is up to 140 Please verify the compatibility first and you can find full product information on a silver date plate on your Karcher mac Note: - Please allow minor errors due to manual measurement. Thanks for yourunderstanding. - Monitors are not calibrated same, item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.