【HIGH-QUALITY ALLOY STEEL】- This impact socket wrench set is made of extra solid alloy steel, resistant to abrasion and wear. They have a sturdy construction that will not easily crack under high pressure for maximum strength and longevity. 【SUPERIOR PERFORMANCE】- Whether you drive them with an impact wrench or by hand, these premium chrome vanadium sockets deliver superior performance. The impact socket set features a 6-point, high-torque design that contacts and grips the stronger flat sides of the nut or bolt head, not the weaker corners. 【26 SOCKETS INCLUDED】- This effort-saving 3/8 inches drive impact socket set comes with 13 deep impact sockets: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, and 13 standard sockets: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm. 【COMPACT & PORTABLE】- The 3/8 inches impact socket set includes a sturdy storage case for organization and transport, making this a great group of sockets for mechanics. 【WIDE APPLICATION】- This torque multiplier truck is perfect for removing and installing wheel lug nuts, particularly suitable for most trucks, RVs, and other heavy-duty vehicles.