Made of premium S2 tool steel for superior durability and corrosion resistance. Deliver up to 33% more torque than ordinary hex keys. Keys 1/8" & 3mm and larger have size permanently laser marked on the key. Extra-long length offers greater access to hard to reach fasteners. Ball end design offers greater access to fasteners from different angles in hard to reach applications.Features Overall Dimensions: 9.06'' L x 0.1'' W x 0.1'' H Weight: 0.2 lb. Size: 3mm Made of premium steel for superior durability and corrosion resistance Deliver up to 33% more torque than ordinary hex keys Keys 1/8" & 3mm and larger have size permanently laser marked on the key Ball end design offers greater access to fasteners from different angles in hard to reach applications
