VEVOR Scaffolding Wheels Set, Heavy Duty 4-Pack 8" Scaffolding Casters, with 4400 Lbs Per Set and Locking Stem Casters with Brake, Polyurethane Replacement for Scaffold, Shelves, Workbench

It is made of the polyurethane material, cast iron core, and steel body, which is chemically stable and wear-resistant.

Smooth Wheel Surface A complete package for quick installation and no other screws required.

360° Rotation Four swivel casters can rotate 360 degrees and spend little strength to move on.

Effective Brake The brake locks both the wheel and the swivel simultaneously, effective to stop and prevent the device from hurting others.

Load-Bearing and Stable Durable casters can load capacity up to 4400lbs for four wheels, which can offer maximum rolling ease.