4PCS Storage Rack Caster Wheels,3" Heavy Duty Locking Caster Wheels Warehouse Shelf & Storage Racks Accessories,Fit for Boltless Self Locking Shelving Racks,500LB Capacity$$Tools & Hardware Other

Heavy-Duty Capacity: This set of 4 caster wheels has a total weight capacity of 500 lbs.These casters constructed with ball bearings,which provide smooth swivel action and easy direction changes rollability With Brake: Each caster is fitted with locking brake which locks the wheel and swivel to effectively hold the wheel,prevent the loaded storage racks from rolling and hurting others Smoother Move&Lower Noise: Made from premium TPR,no noise,anti-corrosion and more sturdy.Smoothly moved with no marking,the surface of the rubber wheel is soft and better protects the ceramic tiles,carpets,laminate,and even hardwood floors Easy to Install: These storage rack caster wheels coming with all mounting hardware (bolts,nuts,washers) for quick installation,it's adapt to storage racks that have boltless self locking shelving systems