[Wide Compatibility]1/4 Inch NPT Quick Connect Air Coupler and Plug Kit is compatible with , , and T type air plugs, which is perfect for shops where multiple plugs are used. The quick connect fittings are Interchangeable and compatible with most manufacturers [Premium Quality]Quick Connect Air Fittings are made of aluminum material, ensuring long-lasting durability and resistance. [Safety Design]6-balls locking the coupler provides better grip when connecting the plug. Reducing the risk of accidental disconnects. Also, pre-coated adhesive threads can better sealed and prevent air leaking [Package Include] 6 male plugs+ 4 female plugs+ 2 male couplers+2 female couplers( All 1/4" NPT). Max working pressure of 150 PSI. [Reliable Support]Backed by a 6-month after-sales service, including free replacements or refund for manufacturing defects. We'll reply you within 24 hours. 1*Quick Connect Air Hose Fittings set Color: Red Material: Metal Package Contents: 1*Quick Connect Air Hose Fittings set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.