What's in the box:

Professional Airbrush Accessories Air Brush Quick Release Coupler Plug (Disconnect) Airbrush Airflow Adjustment Control-Valve Coupling with 4pcs 1/8 inch Adapters (Standard)

This airbrush quick release disconnect coupler mounts inline between your airbrush and hose, and provides an easy method for disconnecting and changing airbrushes without releasing air pressure or unscrew fittings. Perfect airbrush accessory for connecting the airbrush and single-air-supply hose. Comes with 4 pcs 1/8 inch fitting parts.

Features:
Automatically shuts off airflow from the hose when disconnected.
Professional airbrush quick connector accessories for airbrush and air hose.
Handy airbrush tool with standard 1/8" BSP connections.
A simple twists of the coupler allows you to control the airflow.
The airflow adjustment control-valve provides you hassle-free micro airflow control to your airbrush.
Can instantly control the airflow to your airbrush without having the hassle of reseting your air compressor regulator.
The quick-release action allows you to quickly change airbrushes when you use multiple airbrushes with a s-ingle air-supply hose..
Comes with 4 pcs 1/8 inch fitting parts.

Specifications:
Color: Silver
Material: Stainless Steel + Copper
Diameter: 1/8inch
Coupler & Plug size: 40 * 20 * 10mm / 1.57 * 0.79 * 0.39in
Package size: 70 * 110 * 15mm / 2.76 * 4.33 * 0.59in
Package weight: 50g / 1.76ounce

Package List:
1 * Airbrush Quick Release Disconnect Coupler & Plug
4 * 1/8inch Adapters