Easy to replace your current casters fitting.
Set consists of
2 x grey rails with casters studs
4 x independent casters
1. Gently prise existing grey rails out of their slots with a screwdriver and remove.
2. Firmly press in each new grey rail into their respective slots
3. Attach each caster by firmly pressing down onto rail stud. A loud click MUST be heartd to ensure that the caster is properly seated.
4. Use a small block of softwood to tap each caster into place and create the loud click if unable to do so by hand.