A red box for holding and transporting tools, such as a hammer and wrench. Generally depicted as latched shut with silver hardware and a black handle.
Commonly used for literal or metaphorical tools, toolkits, and building.
Google’s design is shown open with two wrenches and a pair of pliers; WhatsApp includes a hammer in front.
Toolbox was approved as part of Unicode 11.0 in 2018 and added to Emoji 11.0 in 2018.