Shelving Inc. 4" Rubber Stem Caster with Brakes for Wire Shelving, 4 Count, Weight Capacity 200lbs Per Caster

Simple Installation: After removing the leveling feet and any threaded inserts, simply place the stem into the bottom of the post Mobile: The ball bearing base allows caster heads to swivel 360 degrees for greater movement and easy maneuverability Weight Capacity: Our casters can hold up to 800 lbs per set of four