HIGH-QUALITY - Made of Hardened treated Chrome Vanadium Steel Alloy (Cr-V) with black-oxide finish, with stronger hardness, better toughness and greater torque, it is firm and durable.
PRECISION WORKMANSHIP - Precision machined and chamfered hexagonal ends provide a comfortable fit and smooth insert fasteners, and protect your hardware from wear.
STAY ORGANIZED - Comes in a compact and foldable storage case, with size indexed individual slot for each wrench for quick size selection and easy organizing.