5 piece set of "Flip" Socket with extension, offering 2 hex sizes in one socket for the removal of inflated, warped and mangled chrome-cap style lug nuts found on most GM, Ford, Chrysler, Toyota, Honda, Range Rover & others. This set includes a 1/2" Drive extension, #4221-18.5mm/19.5mm, #A168-19mm/21mm, #1799-21mm/21.5mm and #4222-22mm/22.5mm "Flip" sockets. Use with 1/2" drive. Impact quality with a black finish. Whether tuning up your '68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.