UNIVERSAL FIT DESIGN: Office Chair Caster Wheels are expertly crafted with pu and nylon material that guarantees universal versatility. These casters are designed to complement 98% of all standard stem 2-inch 5-wheel office chairs. HEAVY-DUTY AND : A product of commendable build quality, our casters have a robust heavy-duty design that can accommodate up to 300lbs as a set of 5. Imminent durability is guaranteed by the resilient support brackets that long-lasting service for many years. SMOOTH ROLLING, NO NOISE: Enjoy mobility with our silent rolling chair caster wheels. Each wheel houses precision in the caster swivel and axle for smooth and silent operation. Our caster wheels allow for noise-free gliding, perfect for maintaining a serene working environment in your home or office. FLOOR PROTECTION: Take no chances in damaging your exquisite floor. Our replacement wheels for office chairs are meticulously engineered to protect hardwood, laminate, tile, and floors. These rollers are not suitable for high-pile carpets or rugs. SIMPLE AND QUICK INSTALLATION: No need for complex tools or professional assistance to install our caster wheels. Simply yank off the old casters from your chair and stoutly insert the new roller ensuring its secure in position. Achieve a quick, effortless, and hassle-free chair upgrade with Office Chair Caster Wheels. Colour:black + gray Material:PU+nylon Package Contents: 5 x Office Chair Casters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.