ROBERTS Big Fatso Multipurpose Knife with Swing-Open Handle for Quick Blade Change is specially manufactured for a wide variety of utility purposes. From trimming excess material to cutting twine, cord and packing materials, this is an all-around great knife to have in your tool box. More robust than a standard knife, it is made of die-cast aluminum for durability, and designed with an ergonomic handle that fits in the palm of the hand to provide a firm and comfortable grip. Convenient swing-open handle provides quick and easy blade changing, and locks blades in place. Safe and effective, it includes three utility blades.