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 office chairs satisfy the strongest industry standards (BIFMA and ANSI) The material is robust and lengthy not easy to deformation.We will take every necessary step to keep our customer in the highly satisfied with uncompressed quality.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)Our own automatic powder coating studio allows us to generate a variety of colors and surface processes according to your requirements.We support customized color of our base. Polished, Chrome, Painting, Brushed and so on.Instead of wasting painstakingly on a brand-new chair if the base of your chair is bent, shattered, or crushed, save money by buying our sturdy aluminum or iron five-legged chair bases replacements 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.