Features: 1.Material:Made of heat-treated hardened steel with brass-plated surface. 2.Our spring loaded quick couplings have a built-in valve to shut off the air when changing tools, making the changing process safer and faster. 3.These air couplings are suitable for air tools, air compressors, air lines, automotive industry, etc. Suitable for 1/4" BSP fittings and couplings. Reduce accidental disconnection of the air line when switching between tools. 4.Installation:Easy to use, simply slide the collar back and insert the plug, then slide the collar back completely to lock. Package Included: Female Thread*4 BSP Male Thread*4 Female Thread Fitting*1 Male Thread Fitting*1 .
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