This Swiss Tech Snap Off Knife has durable and ergonomic bi-material handle, simple and easy to use blade change, with ratchet wheel blade lock , and high quality SK5 steel blade increase durability and sharpness.This utility knife is for heavy-duty job site applications. Thick SK5 blade features greater hardness and sharpness. Solid ratchet-lock for stable cutting and easy blade replacement. Sturdy body for durability in the harshest environments. Soft grip provides a comfortable holding and perfect fit in your hand. The eyelet allows for handy connection to a lanyard or storage on a peg hook.