Corrosion resistant wheel nuts to fit to the  Series 3 Land RoverLand Rover 90Land Rover 110Land Rover DefenderLand Rover Discovery 1 and Classic Range Rover with steel wheels and 16mm x 1.5mm wheel studs. The hexagon size is 27mm and the closed end protects the thread from damage and the stud from corrosion. The internal thread length is 26mm, which is long enough to fully accommodate standard studs and most longer studs.