CASTERS SET OF 4 HEAVY DUTY:4 casters set of 4 heavy duty are with premium thickened steel housing, thickened top plate and each caster wheels has dual steel ball bearings. Strong bearing can support up to 2200 pounds，and each casters wheels can carry 550pounds. Spend little strength to move on.

DOUBLE SAFETY DUAL BRAKE: The 4 inch locking casters can rotate 360 degrees and each castor is equipped with wear-resistant brakes. Locking casters design make it more safe and it both locks the wheel and the swivel simultaneously, effectively stopping.

DOUBLE BEARING CASTERS: The heavy duty casters are made of high-quality polyurethane material, which is wear-resistant, shock absorbing. Double bearing structure enables the heavy wheel to achieve smooth and quiet movement on a variety of surfaces. Upgraded dust ring design to improve the performance of industrial casters by preventing dust coming into the bearings.

FREE HARDWARE KIT AND TYPICAL APPLICATION: Castor wheels sets 4 are widely used in workbench, trolleys, furniture, carts, dolly, suitable for indoor and outdoor, it is a mobile expert. We provide two types of screw kits to install our heavy-duty casters onto wood or steel. Includes: 4 swivel casters,Two gloves, One screwdriver, 16 screws, 16 bolts and 16 nuts.

12 MONTH WARRANTY: We provide 60-day 100% money back and 12-month warranty. Please contact us if you have any question. TAYLOON is sincerely to serve for our every precious customer to make you pleased.