Features: Installation is straightforward, with clear guidelines to facilitate a quick setup. These office chair replacement parts are designed for user-friendly application, allowing for hassle-free attachment to existing chair frameworks. Rendered in classic black, the desk chair arm rings add an elegant touch to your chair. This color choice not only complements any chair design but also maintains a professional appearance suitable for any setting. Specifications: Material: plastic Color: black Size: about 16.14"D x 9.06 "W x 3.15 "H/ 41 x 23 x 8 cm Back mounting holes 3.15" (8 cm) apart Seat mounting holes 4.7" (12 cm) apart Package includes: 2 x Armrest Rings Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.