20-pcs 1/2-Inch Drive Metric Impact Socket Set - 10-32mm, with 3'' 5'' 10'' Extension Bars, Universal Joint, Cr-V

16Pcs Sockets: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm, 27mm, 30mm, 32mm; 3Pcs Extension Bars: 3-inch, 5-inch, 10-inch & 1pc Universal Joints These Impact sockets are constructed from chrome vanadium steel with a black phosphate finish. High strength impact grade CR-V steel socket set withstand more torque from impact tools and insure durability and strength. Laser-etched measurement markings on the sockets make it easy to find the right size fast. 6-pt hex design grips fastener more tightly. It reduces wear and expands the contact surface between the socket and the fastener. This 20-pcs metric impact socket set is stored in a sturdy and strong blow molded case. Each socket has its own place inside the case, which makes it very easy to find and organize.