4Pcs 1 Inch Swivel Caster Wheels, M6 Threaded Stem Caster Wheels with Brake, Hea
Heavy Duty: Constructed with high-strength nylon wheels and thickened cold rolled steel caster threaded stem, the caster wheels are rustproof, rigid and wear resistant. Easy to Install: Features with large bearing load capacity, 10kg/22lbs for per wheels, the small swivel stem caster wheels are 360 degree rotatory and stable installed by screws on.