5 Pack Office Chair Caster Wheels 11 x 22mm Double Wheel Design Won't Scratch the Floor Diameter: 50

Upgraded Office Chair - High Performance Casters - Office Chair Replacement Part - Improve Strength. All-metal rolling bar with high height provides years of lightweight rolling and durability. The sturdy design (5 pack) can support 250 kg (weight). The wheel bar is strong and durable and the design is more sturdy. Wide and thick double wheel structure, soft PU material, pressure resistant, quiet and smooth, does not scratch the floor, does not leave marks on the surface. Each wheel uses four high-quality ball bearings which are fashionable, comfortable, stable and quiet. Easy installation without tools or hardware. Simply remove the old R and slide it into position. Spindle size is 11mm dia x 22mm (7/8") is compatible, connt for 99% of office chairs (without IKEA). Wheels make your chairs look more fashionable and more comfortable, which makes you satisfied with office chairs or ordinary chairs.Wheels will be the best choice to upgrade your chairs.Features: Universal office chair base with fixing holes - Double wheel design improves weight distribution and smooth operation - Facilitates sliding and swiveling - 4 bearings - Maximum load: 250 kg - Soft rubber surface does not leave marks or natural and wooden floors, tiled floors, special floors and smooth concrete / asphalt floors - 2-step assembly process Just take your old ones Roll and slip on your new ones, and you're ready to go Tech Specs: Material: Steel & TPR Rubber Wheel Diameter: 50mm Width: 20mm Wheel Height Recess: 57mm - Universal Fit: Stem Size: 11mm x 22mm (Not Fit Ikea Chairs 10mm x 22mm) - Colour: Black - Package: 5 x Office Chair Swivel Caster Wheels.