3 Pack 4x4 Inch Full 316 Stainless Steel Door Hinges - Heavy Duty Marine-Grade Rust Proof Ball-Bearing Hinges for High-Salt Environments (5/8 Inch Square Radius)
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
3-hinge load capacity220lbs - Each 4"x4" 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 ball bearings with 316 stainless steel pins ensure smooth, quiet operation with 50,000+ cycle durability and zero maintenance
NON-REMOVABLE PIN SECURITY - Enhanced security design with non-detachable pins provides superior protection for exterior outswing doors and security applications
COMPLETE INSTALLATION KIT - 3 marine-grade hinges with 24 matching 316 stainless steel screws, 5/8 inch square radius corners for professional appearance