The EKLIND 15214 SAE Hex Key is the ideal tool for reaching into tight spaces. It is made of alloy steel and has a black oxide finish, making it durable and corrosion resistant. The hex key has an arm length of 4 7/8 in., with a 1 in handle length. This hex key is designed to fit into the most confined spaces, thanks to its plain handle design. It also features a black oxide finish, which makes it durable and corrosion resistant. If you work on small parts often, this EKLIND Hex Key will be your new go-to tool.