What is spline wheel lug nuts for?

As a 18 years' experience Wheel Nuts,Wheel Bolts,Wheel Locks factory,Here HONISHEN introduce you what is spline wheel lug nuts for?
Spline Wheel Lug Nuts is mainly for those cars with small wheel hubs or for small cars,The diameter of spline lug nuts is usually 20 mm or 23 mm.Here attached their picture.Any interest,pls feel free to tell us,we surely provide u a favorable price.Website: www.wheelnutcn.com