Wide compatibility: Designed for Karcher K2, K3, K4, K5, K6, models, this set is a perfect fit for these pressure washer models (not suitable for K1700, K1700 for CUBE, K1800, K1900, K2000). Versatile spray nozzle: The 5-in-1 spray nozzle provides different angles (0, 15, 25, 40, 65) to effectively clean various surfaces and remove deep dirt.