Resources
Scaffold Casters: Stem Size, Capacity & Brake Guide
Scaffold casters look interchangeable, but stem size, load rating and wheel choice decide whether they fit your tower and hold the load. Here's how to pick.
Rigid vs Swivel vs Locking Casters: How to Build the Right Set
Rigid, swivel, and locking-brake casters each do a different job. Here's how to combine them on a 4-caster set and size load capacity for carts, racks, and scaffold towers.