Pressure Washer Gun Bayonet Adaptor To 1/4" Quick Connector For Karcher K Lavor Elitech Interskol Bosch AR Blue and other s. Note: Please check the dimension of nozzles carefully before buying it, we do not take any responsibility of your incorrect selection. Please contact us with photos of your lance if you are not able to make selection. Thanks Model 1 is for Karcher Karcher K2 K3 K4 K5 K6 K7.Model Model 3 is for LAVOR / VAX / Parkside PHD / Some of Interskol/ Some of Hammer / Sterwins / Champion / Craftsman / Hitachi / Some of Elitech. Model 4 is for AR Blue / Black & Decker/ Bosch New AQT series/ Some of Interskol/ Michellin / Greenworks G2-G6/ Makita Model 5 for Elitech/ Some of Interskol / Some of Huter/ Some of Patriot / Daewoo DAX / Hitachi AW/ Some of Bort Model 6 is for Nilfisk,HUSQVARNA, Gerni, Greenworks G10-G70 , STIHL RE98 RE108 RE118 RE127 RE128 RE163 Model 7 is for some of Nilfisk / Anlu / Kolner / Some of Huter W105-AR, W105-G, W105-GS, W105-QC, W105-P(Old), W105-QD, W135-AR, M135-PW(Old), M165-PW(Old), W165-AR Model 8 is for Nilfisk/ KEW / ALTO WAP CALM Model 9 is for Old type Bosch (before 2013) / Greenworks US / Husky / Portland / Some of Hammer Flex. Model 10 is with M22 14mm Swivel fitting, for Karcher HD/HDS old type washer gun. Model 11 is with M22 14mm male thread nozzle for Kranzle /Himore / Ubermann / Bosch GHP Model 12 is 5 pieces spray nozzles which is with different spraying angle. Material of the nozzles. For Model 2,3,4,5,6,7,9, Aluminium alloy nozzle + brass quick connect adaptor For Model 8, Stainless steel nozzle + brass quick connect adaptor For Mode 1, nylon fiber nozzle + brass quick connect adaptor For Model 10 & 11, brass nozzle + brass quick connect adaptor. Please check below for dimension of each nozzle adaptor.