<h3>About this item</h3><ul> <li>ZOYAKKI Set Includes: 5-piece 1/2-inch drive Deep impact sockets: 15mm,17mm,19mm,21mm,22mm; 1-piece storage case.</li> <li>Manufactured from premium impact grade chrome molybdenum steel construction with corrosion-resistant black phosphate finish for durability.</li> <li>High-torque, 6-point opening grips flat sides of fasteners, not corners, preventing round-off</li> <li>Large, high-contrast size marking is permanently laser etched and easy to read, even in low light,and with steel seal mark.</li> <li>We take great pride in our products and as a valued customer, we appreciate your feedback. If you have any problems with our sockets, please email us first!</li> </ul><h3>Overview</h3><ul> <li> <strong>Brand:</strong> ZOYAKKI</li> <li> <strong>Material:</strong> Chrome Molybdenum Steel</li> <li> <strong>Finish Type:</strong> Corrosion-resistant,Black Phosphate Finish</li> <li> <strong>Number of Pieces:</strong> 5</li> <li> <strong>Drive System:</strong> 1/2-Inch Drive</li> </ul>