Our X Series table bases are designed to last. Our stamped bases have been tested to ensure that they meet our stringent durability requirements. Onyx Black powdercoat has a suble texture Stamped steel spider weld to column for added strength Stamped steel has reduced environmental impact compared to cast iron 3" Column Quick 3 step assembly Glides included For maximum stability base feet should point toward table top corners Use with 24"x24", 24"x30", 30"x30" and 30" round table tops