Nickel-plated or chrome-plated, corrosion-resistant and rust-proof Self-locking design for convenient use Reduces accidental airline disconnection Pneumatic quick coupling designed for air piping and pneumatic tools Allows quick connection and disconnection without tools Spring-loaded quick release couplers retain air when the tool is disconnected from the compressor To use, slide back the sleeve, insert the connector, then release the sleeve to lock Suitable for pneumatic pipe connections, air compressors, grinders, air drills, impact wrenches, pneumatic screwdrivers, and other pneumatic tools Item Type: Quick Connector Material: Metal Size: SH total length: 66.8mm / 2.6in, PH total length: 52.8mm / 2.07in Color: Silver Optional Type: 2020, 3030, 4040 Quantity: 1 Pair Warm Tips: When designing the hose path, ensure proper spatial positioning for assembly, disassembly, and debugging to avoid mechanical interference Before installation, use compressed air to clean impurities from the hose and joints Keep wiring neat, organized, grouped, and labeled for easy inspection Consider the working environment temperature as it affects hose pressure resistance and reliability Avoid excessive hose length to minimize air pressure loss Ensure the curvature radius meets specifications and avoid bending too close to the joint to prevent leakage and twisting When tightening threaded joints, use appropriate torque as specified Note: No retail packaging included 1cm = 10mm = 0.39inch Allow 0–1cm measurement variation due to manual measurement Image color may differ slightly due to monitor settings Package Includes: 1 Pair x Quick Connector