Office Chair Casters 5 Pack - 11 x 22mm - Double Wheel Design - No Scratching Floor - Diameter: 50mm

Upgraded Office Chair Caster Wheels - High Performance Office Chair Replacement Part - Improve Strength.

The all-metal rolling bar with high height provides years of lightweight rolling and durability. The heavy-duty design (set of 5) can support 250 kg (weight). The wheel bar is strong and durable and the design is more robust.

Wide and thick double wheel structure, soft polyurethane 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. The pin size is 11mm diameter x 22mm (7/8") L is compatible, connt for 99% office chairs