With the EKLIND 64990 10mm Hex Key, you will be able to work with hex bolts and nuts more easily. This 9 in long hex key has a tip size of 10 mm. It is made of alloy steel for strength and durability. The black finish offers corrosion resistance while the ergonomic handle provides comfort and ease of use. The blue handle color gives it a unique look that makes it stand out from other tools. You will want to equip yourself with this EKLIND Hex Key because it is easy to use and durable enough for any job.