4Pcs 1.5 Inch Swivel Caster Wheels, Black Nylon Plate Caster Wheels with Brake,
Heavy Duty: Constructed with premium nylon wheels and thickened cold rolled steel caster top plate, the caster wheels are rustproof, rigid and wear resistant. Easy to Install: Features with large bearing load capacity, 15kg/33lbs for per wheels, the small swivel caster wheels are 360 degree rotatory and stable installed by screws on.