Set: Kit includes 4 pre-set torque wrenches with 1/2" Drive: 65 ft/lb 1-1/4" Yellow, 80 ft/lb Blue, 100 ft/lb Gray, 120 ft/lb White, 140 ft/lb Light Blue. Material: The lightweight, color-coded wrenches are constructed with chrome vanadium steel for professional use. Ease of Use: The torque wrenches in this tool kit provide an ergonomic comfort grip and require no adjustments of the torque values before or after the use. Application: Great for heavy duty tool use as this set covers a majority of automotive and light truck lug nut sizes.