National Hardware's 1-1/2" Pulley is designed for use with rope or cord in indoor and outdoor applications. Steel body and removable axel provide maximum durability and easier rigging. Easily attaches to a variety of applications. Designed for use with rope or cord in indoor and outdoor applications. Medium Duty Rating with 420 lbs. Safe Working Load, always follow safe working load (SWL) limits included on packaging. National Hardware's Lifespan Limited Lifetime Warranty.