ModifyStreet Universal Fit Ball Bearing Lock Blue Quick Release Kit for 6 Hole Aftermarket Steering Wheel Hub Boss Kit Ball bearing lock quick release hub kit for 6 hole hub boss kit and racing steering wheels Allow you to detach the aftermarket steering wheel easily by just clicking the quick release button This quick release kit is not a stand-alone unit, you must apply this to steering wheel hub adapter Universal fit 6 holes steering wheel hubs for aftermarket steering wheels such as Momo, Nardi, etc 33 mm/1.3 in tall and approximate 3.5" diameter