This nozzle kit improves the performance of the Karcher wet blasting attachment. Consisting of wet blasting nozzle and nozzle insert. Only use in combination with wet blasting attachment 4.762-010/-022. Compatible ModelsHD 7/11-4 M PlusHD 7/15 GHD 7/16-4 Cage ClassicHD 7/18-4 MHD 7/18-4 M PlusHD 7/18-4 MX PlusHD 728 B CageHD 8/20 GHD 801 B CageHDS 6/10 CHDS 6/10-4 CHDS 6/12 CHDS 7/16 CHDS 801 BHDS 801 DHD 830 BS Important This is not Easylock Compatible. Easylock is the newer quicklock type connection for HD & XPERT machines released in 2017. If you have the newer Easylock connection instead of the traditional screwlock connection, you will need to either buy an adaptor to use this accessory, or buy the newer Easylock version of this accessory, if it is available.