National Hardware's 1/4" Galvanized Anchor Shackle is designed for use in marine, industrial and construction applications. Manufactured from forged steel for durability with a galvanized finish to protect against corrosion. Easily installs with included removable screw pin. Anchor shackles are designed for multi-dimensional pulling applications which can be used to attach on hoists, clamps, slings and other lifting equipment. Coated with WeatherGuard Protection to withstand harsh weather conditions and prevent corrosion. Heavy Duty Rating with 1,000 lbs. Safe Working Load, always follow safe working load (SWL) limits included on packaging. National Hardware's Lifespan Limited Lifetime Warranty.