Office Chair Wheel Caster-furniture Feet. Office Chair Wheel Caster,2" 50KG Swivel Castor Furniture Feet- Replacement Wheels 360° Features: Universally Fits All Office Chair with Mounting Holes. Easy-installing, Floor-protecting,Special Locking Screw,Ergonomical Design,Smooth Operation,Easy-gliding and Swivel.  Specification: • ProductChair Wheels • Material: Steel + Rubber + Plastic • Color: As Pictures  Screw Thread Type • Wheel Diameter: Approx. 50mm (20 Inch) • Stem Length: Approx. 14mm (0.55 Inch) • Stem Diameter: Approx. 10mm (0.4 Inch) Click-in Type • Wheel Diameter: Approx. 50mm (20 Inch) • Stem Length: Approx. 20mm (0.79 Inch) • Stem Diameter: Approx. 11mm (0.43 Inch) Embed Type • Wheel Diameter: Approx. 50mm (20 Inch) • Screw Thread Type White • Wheel Diameter: Approx. 50mm (20 Inch) • Stem Length: Approx. 10mm (0.4 Inch) • Stem Diameter: Approx. 10mm (0.4 Inch) Click-in Type White • Wheel Diameter: Approx. 50mm (20 Inch) • Stem Length: Approx. 20mm (0.79 Inch) • Stem Diameter: Approx. 11mm (0.43 Inch)  Package Included: • 1 X Office Chair Wheel . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.