Springfield 1660230 3-Stage Clear Anodized Pedestal Set (Includes Square Table Mount and Base), 12-3/4″, 20″, 28″

12-1/2″ square table mount. 12″ diameter base with 11″ hole pattern for added stability. Nylon clamping bushings with stainless steel hardware. Air-Powered height adjustment, simply release to raise or push down and lock in place. No pumps or power required. Great for boat, RV, deck, and patio.WARNING: Cancer and/or Reproductive Harm. See