The base of the office chair is suitable for most chairs on the market (office chair, game chair, office chair, executive chair). Casters 7/16 inches x 7/8 inches (11 mm x 22 mm) and gas cylinder 2 inches (5 cm)We have our own automatic powder coating studio and can provide multiple colors and surface treatments based on your needs. We enable base color customization. Chrome, coated, brushed, polished, and the like.If your chair base is bent, cracked or broken, save money by purchasing our durable aluminum or iron five-legged chair base replacement heavy duty instead of the painful purchase of a whole new chair! We are a manufacturer and we will provide you with the most affordable price that can save you the most.We have a group of qualified designers on staff who can offer services for technological purposes. We are confident in providing tailored solutions that achieve any of our clients' objectives effectively and efficiently because to our deep knowledge dealing with a wide range of clients.