4x4 Post Base 20 Pack - Heavy Duty Steel Post Anchor Bracket - Decking Post Base for Porch, Railing, Handrail Support - Internal 3.6"x3.6"

【Heavy Duty Construction】: Constructed from robust carbon steel with a 0.06 inch (1.6mm) thickness; provides exceptional strength and resistance to deformation; ensures long-lasting durability for various outdoor applications 【Secure 4x4 Post Support】: Designed to fit standard 4x4 wood posts (actual size 3.5"x3.5"); features a 3.6"x3.6" internal dimension; offers stable and wobble-free support for railings, pergolas, and posts 【Complete Accessory Kit】: Includes 90 yellow expansion plugs (M535) and 260 black self-tapping screws (M535); simplifies installation and provides everything needed for a secure and efficient setup; saves time and effort 【Corrosion & Rust Resistant】: Finished with a protective spray coating; effectively resists corrosion and rust; suitable for long-term outdoor use in various weather conditions; extends the product’s lifespan 【Versatile Application】: Compatible with both concrete and wooden surfaces; ideal for porch railings, pergolas, columns, and other outdoor structures; post base dimensions are 6x6x2.4 inches (153x153x62mm)