1. Perfect Combination: Equipped with a 1 or 4 inch M22 0.551 inch plug and 1 or 4 inch QC plug to 1 or 4 inch QC plug, this pressure washing machine Accessories kit can handle most connection covers. 2. 1 or 4 inch Mass Control Rod Extension: This pressure washing machine universal quick connect accessories can be combined with most electric washing machine accessories on the market, including but not limited to surface cleaners, drain cleaners, and foam buckets. 3. Achieve Professional Cleaning: It uses any extension of the pressure washer to clean the nearest spot, or joins them together for greater reach. Ideal for professional cleaning. 4. High Grade Material: The pressure washer extension rod is made of high grade stainless steel (main body) and brass (male head). The whole metal structure makes the power extension rod not easy to break and rust. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store