This EKLIND 25160 6 Piece Fold-Up Hex Key Set comes with a fold-up handle that allows you to work in tight spaces. These hex keys are designed for professional use and can be used on a wide range of applications. This set has a comprehensive range of metric hex keys, from 2 mm to 6 mm in size. The black oxide finish provides corrosion resistance and durability. Each long arm hex key is made of vanadium molybdenum steel and comes complete with a fold-up plastic handle for ease of use. They also come with an overall length ranging between 2 in to 3 19/64 in., so they can reach into small spaces. If you want the best tools for your job, then look no further than the EKLIND 25160 6 Piece Fold-Up Hex Key Set.