The EKLIND 15156 SAE Plain Hex Key is a standard hex key with an 8 1/4 in. arm length and 2 3/8 in. handle length. Made of alloy steel, the hex key has a black oxide finish for added durability. The plain handle offers a firm grip as you work on your project. This standard size hex key has a 7/8″ tip size and can be used to tighten or loosen bolts and screws. The EKLIND 15156 SAE Plain Hex Key is the essential tool you need when working on small projects around the house or garage.