Karcher O-Ring Replacement Set for Karcher Electric Pressure Washers, 20-Piece Kit O-rings spare part kit for Krcher pressure washer accessories Contains o-rings for Krcher trigger guns, spray lances, high pressure hoses and optional accessories such as brushes Contains 20 pieces Made in Germany For Karcher electric models K2/K3/K4/K5 and earlier. Does not fit K1700-K2000