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 product is durable and sturdy, not easy to deformation.We will make every effort to maintain our customers' high level of uncompressed person's strengths.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 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 a self-contained automatic powder coating workshop where we can generate various colors and surface treatments in conformity with your needs.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 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.