Hex Size: 5mmOverall Length: 6-5/8"Shank Length: 3"Shaft Material: SteelHandle Material: PlasticUsed To Tighten Or Loosen Hex Shape Bolts And NutsStandard Length Shaft Works For Most ApplicationsHollow Shank Allows Bolt To Insert Into Shaft While Tightening A Nut Smooth Comfordome Handles Fit The Palm Of The Hand ComfortablyInternal Flanges Provide Solid, Twist-Resistant HoldChrome Plated Shaft Helps Prevent Corrosion