Usage Tips:【Replacement Part】: Barber chair seat base replacement is suitable for most swivel chairs, furniture bar stools, salon chairs, office chairs, and old or broken chair parts. 【Premium and Reliable】: Heavy duty chair swivel plate seat swivel base is made of iron material, which is sturdy, wear resistant, not to break, and . 【Practical and Steady】: Bottom base replacement keeps the chair stable and available and helps you to get chairs. 【Easy Installation】: Easy to assemble and replace, just minutes, and get an updated chair. 【Application】: The chair swivel base mount plate is suitable for salons, game rooms, homes, offices, study rooms, etc. Specification: Material: Iron Color: Black Size Chart: 12cmx12cm/4.72inchx4.72inch Hole: 25mm; Hole Outer Diameter: 38mm Package Includes: 1 barber chair base plate replacement Note: Please allow slightly errors due to manual measurement and different monitors.