Constructed of heat treated chrome vanadium steel with a professional-grade, black phosphate finish for anti-oil, 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

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

 High-contrast and visible laser-etched markings on corrosion-resistant black phosphate finish makes it easy to identify drive socket sizes, specs, and measurements even in dim light

1/2'' Drive 6 point standard impact sockets in metric sizes: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm,  18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 27mm, 30mm, 32mm; 1/2'' Impact Extension Bar: 6''; 1 impact Swivel Adapter: 1/2''

All these items are packed in a strong case