always have the right tool for the job The 12pcs Multifunction Wrench !!! Works with Virtually ANY Size & Shape Nuts & Bolts. (1) High-Quality Mirror Chrome Vanadium Steel. (2) 72 teeth heavy duty reversible quick release ratchet handle - Soft grip handle for the comfort of work - Essential sockets in every garage, workshop or household. ---12 pieces (1/2th Inch) 12.5 mm Sockets Set Includes - (1) 1 Pc (1/2th Inch) 12.5 mm Series Quick Release Ratchet Wrench. (2) 1 Pc (1/2th Inch) 12.5 mm Series Standard Extension Bar: 5" (Inch). (3) 10 Pcs (1/2th Inch) 12.5 mm Series Hexagon Sockets Sets: 8mm,10mm,12mm,13mm,14mm,15mm,17mm,19mm,21mm and 24mm. ---ADDITIONAL FEATURES & WORKING: (1) Built-in precision 72 gears:: Features: With this Multifunction Socket Wrench you?ll always have the right tool for the job The 12pcs Multifunction Wrench !!! Works with Virtually ANY Size & Shape Nuts & Bolts. (1) Forged Fine CRV, High-Quality Steel fine chrome plating quenching, precision72 tooth oil furnace quenching and anti-rust lubrication ability, turn only once 5 degrees. (2) Chrome vanadium steel quenching and forging:: A variety of specifications to meet the needs of the work, sockets and wrenches are used high-quality chrome vanadium steel forging the overall heat treatment high hardness, torque, good toughness, long service life. (3) Chrome steel mirror polished:: High quality chrome vanadium steel forging, the overall smooth formation