MaterialT shaped swivel chair back support rod is made of quality iron material, ensuring durability and can be used for a long time. VersatilityThis T shaped bar part is ideal for repairing or upgrading your existing swivel chair, providing comfort and functionality. FeatureReclining backrest chair support rod is easy to install, fit for most standard swivel chairs. FunctionControl the back of the backrest and the lift of the seat cushion to meet the needs of different sitting postures. ApplicationSuitable 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 PieceT 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.