National Hardware's 50-Count #10, 2-1/16" Ceiling Hooks are designed for hanging home and industrial products. Manufactured from steel wire for durability. Sharp screw point design bites into wood easily and quickly for painless installation. For interior and exterior applications where hanging is desired. Coated with WeatherGuard™ Protection to withstand harsh weather conditions and prevent corrosion. 50 lbs. Safe Working Load, always follow safe working load (SWL) limits included on packaging. National Hardware's Lifespan™ Limited Lifetime Warranty.