Great Planes Wheel Collars are a handy way to lock wheels on a axle.The collars are made of brass and are chrome plated to resist corrosion for trouble-free use time after time. The collars come in 5 popular sizes and each include its own hex wrench for installation and removal.
These have a Great Planes one year warranty.
Includes: Four 3/32" plated brass wheel collars
Four 4-40 set screws
One hex wrench
One reusable plastic parts pack