Hose & Spray Gun Connector For Karcher Easy Lock Adapter To Quick Connect. Please note: this is NOT original Karcher accessory and it is not infringement, they are only OEM Auxiliary Parts for Karcher which helps you to use the spray gun more easy. There are 5 options for you, maybe it is not easy for you to make correct selection. Please DO NOT WORRY, show us the wash gun and hose with your request, we will make selection for you Option A: It is a coupler for connecting new model Karcher Hose (with easy lock) to new model Karcher Hose (with easy lock). Option B: It is a coupler for connecting new model Karcher Hose (with easy lock) to old model hose (with m22*15 thread). Option C: it is a coupler for connecting new model Karcher Hose (with easy lock) to old model spray gun (with m22*15 thread). Option D: it is a coupler for connecting old model hose (with m22*15 thread) to new model Karcher Easy Force Spray Gun. Option E: It is for changing the Easy Lock spray nozzle to quick connect. Features: 100% Brass made. Max pressure : 4500 PSI Packing list: 1x adaptor.