Rock-N-Roller 4" x 2" Ground Glider Wide Caster with Brake Upgrade for R2 - 2 pack

• 4” x 2” casters with brake

• 50% wider than typical casters and can glide over soft terrain

• Low profile no-flat tires, lightweight and strong polymer hubs, low rolling resistance, pneumatic-like cushioning, and a stunning racing-style look