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.
WhatsApp's design includes a hammer in front. Google’s design was previously shown as open with two wrenches and a pair of pliers.
Toolbox was approved as part of Unicode 11.0 in 2018 and added to Emoji 11.0 in 2018.
U+1F9F0
? Toolbox