Office Chair Base Replacement Parts - Reinforced Sturdy Metal Leg Desk Chair Base Replacement (2500Lbs),Universal Gas Cylinder and Caster Sockets 27"The base is made of high-quality aluminum alloy, and the surface is polished. The design to reinforce the base. The load capacity is stronger, and it can withstand up to 2500LBS, which meets the highest industry standards of office chairs (BIFMA and ANSI) The material is strong and resistant to deformation. We will put in everything possible to maintain our customers' greater standard of uncompressed quality satisfaction.Aluminum chair base light but strong. All base passed SGS Drop test - Dynamic and Base Test- Static of ANSI/BIFMA X5.1-207. Not rusting and durable.The office chair's foundation is working with the preponderance of chairs on the markets (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 workshop and can produce different colors and different surface processes according to your requirements. We allow for customizable baseline color. Chrome, painted, brushed, polished, and so forth.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, then we'll provide you the best deal possible to save you the most cost.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 our ability to provide specialized solutions that successfully and efficiently accomplish any of our clients' goals.