Hex Size: 3/8"Overall Length: 6-1/2"Shaft Length: 3"Material: Alloy Steel Shaft With Plastic HandleUsed To Tighten Or Loosen Hex Shaped Bolts And NutsHollow Shank Allows Bolt To Insert Into Shaft While Tightening A NutPrecision Machined Case-Hardened SocketChrome Plated Shaft Helps Prevent CorrosionErgonomic Hex Shaped Handle Aids In Gripping Power And Provides Superior Comfort