Trolley Wheels Richelieu 10 In Pneumatic Swivel Caster Black F26552 Industrial Pneumatic Caster For more information go to www., P65Warnings., ca., gov. Heavy Duty Pneumatic Casters at Alexandra Hellyer blog Product main characteristic: Absorb shocks and vibrations 10 diameter by 3.5 wide black pneumatic rubber wheel fitted with a top locking brake and a bolt on swivel lock. Supports up to 350lbs per caster Safety Warning WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. 10 x 3 Swivel Plate Caster with Brakes - Flat Free Surfaces recommended: Concrete, Asphalt, Gravel, Wood/Planking , Wheel diameter: 10 , Total Height: 11 3/4