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. Maximum rope size 3/8". 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.