Features: Crafted from strong , these post base covers provide waterproof defense and precise fit for porch deck column , enhancing structural integrity while resisting weather damage. Featuring a smooth surfaces with inner/outer diameters of 4" and 5.79", these column wrap seamlessly slide over wood or posts for quick installation and long service stability. Ideal for homeowner, contractors, or DIY enthusiasts search to reinforce outdoor stair rail , deck pillar, or porch support with minimal maintenance. Perfect for upgrading weathered porch bases, concealing damaged wood posts, or adding a polishes finishing to garden deck column and balcony handrails. The white trim design complements modern and traditional exteriors, offering both aesthetic appeal and functional reinforcement for structural posts in traffic area . Specifications: Component : Size: about 102x147mm/4x5.79inch Package Includes: 4x Deck Column Base Or 8x Deck Column Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.