The First Aid nuts set contains 6 special nuts featuring a locking system enhancing the qualities of the fingerboard nuts due to its inserted locking ring . The nut will not slip off unless a tool is used to remove it. Great to have a set of these for replacement. Never know when you'll need a spare one.
package includes 6 lock nuts compatible with Blackriver trucks.
Do not over tighten. This may cause damage to the plastic rings' thread making it difficult to remove the nut from the axle.
Warning- Contains small items, not suitable for children under the age of 10 years