Description: Optional Adapters (Please see the dimensions for reference below): A. For K2~K7 pressure washer (plastic adapter); B. For K2~K7 pressure washer (metal adapter); C. For AR Blue Clean/ Black Decker (Russia & Europe)/ Michelin / some of Interskol/ greenwork G2~G6 / Makitas / most of Bosch pressure washer; D. For elitechs/ some of Interskol / YILI / some of Huter / Patriot/ Daewoo pressure washer; E. For Nilfisk / STIHL / HUSQVARNA / Gerni / greenwork G10~G70 pressure washer; F. For Lavor / some of Hammer / some of Interskol / Sterwins / Vax / Champion / Craftsmans / Briggs Stratton pressure washer; G. For some of Huter / Anlu / some of Kolner pressure washer; H. For Nilfisk-Kew/ some of HD professional pressure washer; I. For some of Bosch (made before 2013) / some of Hammer / Portland pressure washer; J. For some of Pro HD/ HDS pressure washer (Old TRIGGERS gun with standard M22-Male outlet); K. For some of Pro HD/ HDS pressure washer (Easy Force TRIGGERS gun); L. For Kranzle Water gun with thread M22 pressure washer Specification: Material: Copper Colour: Gold Size Chart: Size: 8cm/3.15inch Package Includes: 1PC X Pressure Washer Quick Connector Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!