High-quality materials: Made of high-quality materials with a solid, smooth surface, offering strong wear resistance, corrosion resistance, and oxidation resistance for long-term use. Easy to install: Simple to use—just slide the collar back, insert the accessory, then slide the collar forward to lock it in place. Product use: This quick-release gas connector is designed for use on the compressor side and features a built-in shut-off valve to prevent air leakage when the nozzle is disconnected or during tool changes. High practicality: Solves the issue of not being able to directly connect car water guns to basin faucets in kitchens, balconies, bathrooms, and similar locations. Widely used: Compatible with 8mm rubber hose. Suitable for gas hoses used with barbecues, motorhomes, caravans, and patio heaters, ideal for outdoor applications. Note: All measurements are manually taken; please allow 1–3 cm variation. Due to differences in lighting and display, slight color variations may occur. Please refer to the actual product received.