3 Pack 4.5x4.5 Inch Full 316 Stainless Steel Door Hinges Heavy Duty Marine-Grade Rust Proof Ball-Bearing Hinges for Exterior Outswing Doors, High-Salt Environments Non Removable Pin
MARINE-GRADE 316 STAINLESS STEEL - Superior rust resistance vs standard 304 steel, specifically engineered for coastal and high-salt environments where corrosion protection is critical
HEAVY-DUTY 220 LBS CAPACITY - Each 4.5"x4.5" hinge is 3mm thick, set of 3 supports up to 220 lbs for gates, exterior doors, and security applications with smooth operation
BALL BEARING DESIGN - Precision 316 stainless steel ball bearings ensure smooth, quiet operation with reduced friction and extended lifespan over 50,000 cycles
NON-REMOVABLE PIN SECURITY - Enhanced safety with non-removable hinge pins, ideal for exterior outswing doors and security applications requiring tamper resistance
COMPLETE INSTALLATION KIT - Includes 3 marine-grade hinges and 24 matching 316 stainless steel screws for professional installation in harsh environments