chair base

1.Five star nylon office chair base. 2.Material: Nylon (PA) of chair base. 3.semidiameter: 320mm of chair base. 4.We also have 270mm, 300mm, 350mm size of office chair base. 5.Center hole diameter: 50mm of chair base.6.Quality reliability and long product life of chair base.7.Mature, perfect and excellence, but simple design of chair base.8.testing standard:BIFMA(1136-1800kg) of chair base.Quick Details Type:office chair accessories Material:plastic Place of Origin:Guangdong China(Mainland) ofchair base Model Number:RT-A270of chair base Testing standard:BIFMA(1136-1800kg) of chair base Packaging & DeliveryPackaging Detail:5pcs/ctn;Delivery Detail:shipment to be made 20days after receipt of your 30%deposit