4×4 post base: Designed for nominal 4×4 lumber (actual size 3.5″x3.5″). The inner diameter of 3.6″ ensures easy insertion. It fasteners securely onto wood or concrete, providing sturdy support for pergola, deck, patio, fence, mailbox Raised isolation: Design with 2.5mm thick columns lifts posts off the ground, preventing moisture intrusion. Protects against rot caused by water exposure, extending post life and enhancing overall safety Robust durability: Crafted from solid steel 2mm thick, with precision full-weld construction. Quality black powder-coating resists corrosion and rust. The smooth finish adds elegance and ensures longevity Versatile: 4×4 post base add stability to deck railing, pergola, fence, and mailbox. 4×4 concrete post base sides adapt to situations where a full four-.

4×4 post base: Designed for nominal 4×4 lumber (actual size 3.5″x3.5″). The inner diameter of 3.6″ ensures easy insertion. It fasteners securely onto wood or concrete, providing sturdy support for pergola, deck, patio, fence, mailbox Raised isolation: Design with 2.5mm thick columns lifts posts off the ground, preventing moisture intrusion. Protects against rot caused by water exposure, extending post life and enhancing overall safety Robust durability: Crafted from solid steel 2mm thick, with precision full-weld construction. Quality black powder-coating resists corrosion and rust. The smooth finish adds elegance and ensures longevity Versatile: 4×4 post base add stability to deck railing, pergola, fence, and mailbox. 4×4 concrete post base sides adapt to situations where a full four-.