The Beta Tools Emergency Car Knife, No. 1778SOS, is a folding knife with a locking blade intended to help someone get out of a car in an emergency or extract a person from a vehicle. The 3" blade has a sharp cutting edge as well as a serrated edge for rough tasks. There is a built-in seat belt cutter and a window-breaking hammer-point in the handle. The handle is made of anodized aluminum with an ergonomic shape. The blade has a thumb-assist knob for easy opening. The knife's folded length is 4.5”.