CTA Tools 2067 17-Millimeter Oxygen Sensor Wrench - Land Rover is designed to fit all GEMS engine Land Rovers, including: Range Rover Classic 87 - 95, Range Rover 4.0/4.6 95 - 98, Discover 1 94 - 99, Defender 90, 94 - 97 and Defender 110 93. Features a 17-millimeter hex with 3/8-Inch square drive. Heavy-duty construction allows for strength and durability. 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.