Premium 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. Excellent 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. 29 Sockets Included: The effort-saving 3/4 inches drive impact socket set comes with 29 shallow impact drive sockets: 3/4'', 13/16'', 7/8'', 15/16'', 1'', 1-1 / 16'', 1-1 / 8'', 1-3 / 16'', 1-1 / 4'', 1-5 / 16'', 1-3 / 8'', 1-7 / 16'', 1-1 / 2'', 1-9 / 16'', 1-5 / 8'', 1-11 / 16'', 1-3 / 4'', 1-13 / 16'', 1-7 / 8'', 1-15 / 16'', 2'', 2-1 / 16'', 2-1 / 8'', 2-3 / 16'', 2-1 / 4'', 2-5 / 16'', 2-3 / 8'', 2-7 / 16'', 2-1 / 2''. Compact and Portable: The 3/4 inches impact socket set includes a sturdy storage case for organization and transport, making this a great group of sockets for mechanics. Various Use: This torque multiplier truck is perfect for removing and installing wheel lug nuts, particularly suitable for most trucks, RVs, and other heavy-duty vehicles.