Mechanic's 123-piece tool kit and socket set for tackling multiple sizes and types of fasteners, especially nuts and bolts Includes most popular 1/4" and 3/8" drive sockets, hex keys, and screwdriver bits; both Metric and SAE sizes included Chrome-vanadium steel forged body for torque, strength, and durability Full polished-chrome finish provides anti-corrosion protection Case provides convenient tool storage and portability