▼ Fits a nominal standard 4'x 4' post (actual 3.5'x 3.5' dry post on market). ▼ Sanding / trimming on wood posts might be required if size error. ★ POST HEIGHT LIMIT: 60' (5-feet) NOT for roof support ★ ▼ Perfect for deck posts porch baluster / cable railings hand rails pergolas pavilion cabin. Also can be used as table leg / mailbox post support brackets. ▼ Reinforced corners ribs. No worries of edge-breaking and bending. ▼ Made of premium die-casting aluminum #6061 + powder-coated with AAMA-2604 compliant material (Five times the outdoor exposure and twice the humidity exposure as AAMA-2603). UV-resistant rust-proof and durable. ▼ Stainless Steel screws (Hardness class #12.9 + Dacromet black coating) are included: 8 short screws (installed horizontally) to post. 12 long screws (vertically) to deck floor board. ▼ Thickened walls & pads on bottom for better structural strength on decks. ▼ Clean contemporary style....