【Material】T shaped swivel chair back support rod is made of quality iron material, ensuring durability and long-term use. 【Versatility】This T shaped bar part is ideal for repairing or upgrading your existing swivel chair, providing comfort and functionality. 【Feature】Reclining backrest chair support rod is easy to install and fits most standard swivel chairs. 【Function】Controls the backrest angle and seat cushion height to meet the needs of different sitting postures. 【Application】Suitable for most gaming, executive, and office swivel chairs. NOTE: There is a dent in the crossbar, which is normal and does not affect use. Specification: Material: Iron Size Chart: 27cm x 28cm / 10.63 inch x 11.02 inch Package Includes: 1 Piece T Shaped Swivel Chair Back Support Rod Note: Please allow slight errors due to manual measurement and different monitor displays. There is a dent in the crossbar, which is normal and does not affect use.