[Closed Ball Clip-on Air Chuck]: Closed flow 1/4inch FNPT air chucks with 2 pcs 1/4inch MNPT quick plug. Clip locking design helps to easily lock the commonly Schrader Valve. Free your hands! [2-Way Easy Connection]: Both air chucks featured standard US 1/4inch NPT thread for easily connected to air lines, air compressor or tire inflator gauges for tire inflation. Also can be connected to air lines' female quick couple by male plug included in package. (Please use the included sealed raw tape to prevent leakage) [All Metal Design]: Constructed with heavy duty high quality metal alloy for higher strength and durability, resistance and wear resistance, which is a perfect choice no matter for business or household use, will you faithfully for years. [Easy To Use]: Attached steel lock-on clip offers a more ergonomic angle. When you want to work with this air chuck, just clip it on your tire valve to fill air.Two ways connection to meet your needs. Colour:Gold Material:brass Package Contents: 2x Locking Air Chuck 2x PTFE Tape 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.