VEVOR 8"x 8" Post Base, 1Pcs Stainless Steel Adjustable Post Anchor Bracket(Internal 7.8 x 7.3"), Adjustable Post Base for Pavilion Deck Porch Handrail Railing Support Decorative Anchor Plate
Based on the product description, it is suitable for various surfaces, but it does not specify whether it can be used on uneven surfaces. However, customers mostly use it on flat surfaces.
According to the product description, drilling is required for installation. The base comes with pre-made screw holes and a complete accessory kit including screws and bolts that require drilling for a secure fit.
The product description states this post base is made from 201 stainless steel with a brushed finish, ensuring durability, corrosion resistance, and rust protection.
