JConcepts 4mm Lightweight Locking Wheel Nut Set (Black)
[JCO2090]

JConcepts 4mm Lightweight Locking Wheel Nut Set (Black)
Patrick Littleton - Rating: 5 of 5 Stars! Verified Owner Sunday, June 03, 2012
Well worth the price. These will not come off the axle without considerable, intentional force. Nothing to wear-out.