【Material】T shaped swivel chair back support rod is made of quality iron material, ensuring durability and can be used for a long time. 【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, fit for most standard swivel chairs. 【Function】Control the back of the backrest and the lift of the seat cushion to meet the needs of different sitting postures. 【Application】Suitable for most gaming, executive and office swivel chairs. NOTE: There is a dented in the crossbar, which is normal and does not affect use. Specification: Material: Iron Size Chart: 27cmx28cm/10.63inchx11.02inch Package Includes: 1 Piece T Shaped Swivel Chair Back Support Rod Note: Please allow slightly errors due to manual measurement and different monitors. There is a dented in the crossbar, which is normal and does not affect use.