These emojis depict an assortment of tools that people use in their daily lives. There are emojis depicting tools used for construction, like hammers, saws, screwdrivers, and ladders. There are emojis depicting locks and keys, tools used to control access to physical locations. There are also emojis depicting various weapons (swords, guns, shields, etc), which are tools used to defend, attack, and hunt.
You can learn more about these tool emojis by clicking on the links below. You can also see screenshots of how these emojis are rendered on different platforms. And learn more about other related emojis.