uxcell 4Pcs 2 inch Swivel Casters Nylon Twin Wheel Universal 11mmx22mm Stem Mount Swivel Caster Black

Description: *2-Inch Office Chair Casters Nylon Twin Wheel,Threaded Stem Mount Swivel Caster Black. *Get smooth, quiet rolling and full swivel action, all while protecting your floors. *Made of High Quality Materials Available. prevent damage to carpets or slate floors. *Perfect as a set of replacement caster wheels for home or office chairs that have hard, noisy, rough plastic wheels. *Note: Each caster capacity is 17.5kg, total capacity for all 4 casters is 52.5kg (calculated by 3 casters ). Because when the road is uneven , there will be only 3 casters bearing weight. Features: * Capacity: 17.5kg / 38.5lb per wheel. * Wheel Dia: 50mm / 2inch * Style : Rotate 360 degrees * Install Type: universal stem * Mounting Stem Diameter: 11mm (7/16 inch) * Stem Length: 22mm (7/8 inch) * Wheel Material: Nylon * Color: Black Package Include: *4 Pcs x Office Chair Casters