The EKLIND 15228 SAE Plain Hex Key is the perfect tool for tightening and loosening fasteners. With a plain handle, this hex key provides you with an easy grip. The black oxide finish protects against corrosion and rust. Made of alloy steel, the arm length measures 7 1/2 in., while the handle length is 1 1/2 in. It has a 7/16″ tip size and an overall measurement of 7 1/2 in long and 1 1/2 in short respectively. The EKLIND Alloy Steel Hex Key offers you superior performance at an affordable price.