From Karcher
The high-quality replacement nozzles enable easy replacement of accessory nozzles and are suitable for replacing nozzles on the T-Racer T 300 / 350 surface cleaners for unit classes K 2 to K 7. Contains three pairs of nozzles for different pressure washer performance classes, as well as two clamps for attachment. Key Features Powerful cleaning with high pressure Increased cleaning performance Karcher T300 T-Racer Surface Cleaner Increased cleaning performance Karcher T350 T-Racer Surface Cleaner