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 base's behavior modification design.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 product is durable and sturdy,not easy to deformation.We will take every necessary step to keep our customer in the highly satisfied with uncompressed quality.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 was created with the majority of chairs on the market (office chair, game chair, office chair, executive chair). Gas cylinder 2 inches and casters 7/16 inches x 7/8 inches (11 mm × 22 mm) (5 cm).We have our own automatic powder coating workshop and can produce different colors and various surface treatments depending on your requirements. We support customized color of our base. Polished, Chrome, Painting, Brushed and so on.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, thus we'll provide you the most advantageous deal possible to save you the most amount.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.