Set of 1 caster for office chair, 11 x 22 mm, double wheel design, does not scratch the floor, diameter: 50 mm

Upgraded Office Chair – High-Performance Casters – Office Chair Replacement Parts – Increased Resistance. Full metal high rise scrolling bars provide years of lightweight and durability. The sturdy design supports up to 250 kg (weight). The wheel bar is durable and has a more robust design. Wide and thick double wheel structure, soft PU material, pressure resistant, quiet and smooth, will not scratch the floor and leave marks on the surface. Each wheel uses four high-quality ball bearings, making it elegant, comfortable, stable and quiet. Easy to install without tools or hardware. Simply remove the old R and slide it into place. The pin is 11 mm in diameter x 22 mm (7/8 in) and is compatible with 99% of office chairs (excluding IKEA). The casters give your chair a more elegant and comfortable look, allowing you to feel comfortable with your office chair or regular chair. The wheels would be the best option to upgrade your chair. Features: Universal office chair base with mounting