10 Pieces Air Couplers and Solid Construction
10 Pieces 1/4 Inch NPT Threads Female Air Coupler.
Solid steel construction for high corrosion resistance and longer using life.

Portable Size
All the threads of coupler are 1/4 inch NPT. 1/4 Inch body size (basic flow size) which is most common size.
Max working pressure of 300 psi.

Unrivaled Quality
Body of coupler is made of scratch-resistant steel, durable brass-plated and custom steel sleeve design to last longer.
With 4 locking steel balls for increased life and holding power.
The design of knurled sleeve gives a better grip when connecting and disconnecting these fittings.
Sleeve guard helps reduce the risk of accidental disconnects and protects the coupler sleeve.

Easy Operation
Four locking balls in the coupler which hold the plug securely, insert plug into coupler when pulling sleeve back.
Automatic the plug is separated from all couplers when pulling sleeve back.

Worry-Free Warranty
For any reason you are not satisfied, you have a full year to return the item for refund or replacement.