Features: Ensure the stability and safety of your air compressor system with our high quality 8 piece set, featuring Precisions pressure gauges and strong fittings. Crafted from strong metal, this set includes easy to install connector and ball valves, designs for compatibility with various air compressor models. Ideal for professional repair technicians, DIY enthusiasts, and anyone needing to maintain their air compressor equipment. Perfectly suited for workshops, factories, home garages, and any environment requiring a reliable air pumps system. Enhances your air compressor's performances with this essential accessory set , ensuring long service durability and precise pressure measurement. Specifications: Material: metal Diameter: about 52mm/2.05inch Package Includes: 1 set Pressure Gauge & Valves note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.