8 PCS metric size sockets: 8mm,10mm, 11mm, 12mm, 13mm, 14mm, 17mm, 19mm. 2 PCS extension bars: 1/4” hexagon * 3/8” square. All these items are packed in a robust case

Hexagon Extension Bars - It comes with two extension rods of premium chrome vanadium steel. The size: 1/4” hexagon * 3/8” square, length: 2 inches (50mm)

Constructed of heat treated chrome vanadium steel with a professional-grade, black phosphate finish for anti-oil and anti-rust, which is a type of alloyed tool steel with great strength and durability for high-intensity long-term work

The 6-Point hex socket design avoids round-off deterioration caused by impact and electric wrench under high torque and hammer pressure. High-contrast and visible laser-etched markings on corrosion-resistant black phosphate finish make it easy to identify the drive, socket sizes, specs, and measurements even in dim light

The sockets set are stored in a sturdy and strong blow molded case. Each socket or extension bar has its own place inside the case, which makes it very easy to find and organize. It includes a full range of metric and SAE sockets, wrenches, etc. And all the tools are carved with metric/inch sizes. Whether you’re working with standard or metric measurements, these pieces will meet your needs, and they are easily identified, ensuring you find the exact tool you need.