CTA Tools 2385 9/16-Inch Ford Triton Spark Plug Socket removes and installs plugs found on the Ford F-150 with Triton Engine. The 2385 features a rubber insert to prevent breakage and allows for extension with 3/8-Inch square drive. 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.