The office chair's foundation works with the majority of chairs on the market (office chair, game chair, office chair, executive chair). Gas cylinder two inches and casters 7/16 inches by 7/8 inches (11 mm by 22 mm) (5 cm)We have our own automatic powder coating workshop and can produce different colors and different surface processes according to your requirements.We support customized color of our base. Polished, Chrome, Painting, Brushed and so on.Instead of spending painstakingly on a brand-new chair if the base of your chair is bent, fractured, or damaged, save money by buying our sturdy aluminum or iron five-legged chair base replacement heavy duty! We are a manufacturer and we will provide you with the most affordable price that can save you the most.We have a team of professional designers who are able to provide product customization services. With our vast experience working with diverse clientele, we are confident in delivering customized solutions that meet any of our client’s objectives effectively and efficiently. 