Features and Benefits: * Counter display unit of new patented folding knife * Worlds first self retracting utility blade knife * Quick blade change * Knife locks in open and closed position * Thumb stud for one handed opening Convenient counter display unit for American Lines Pro folding utility knife. The knife is the first utility knife with a self retracting blade. The knife is manufactured from durable metal alloy for professional use with a new age cut away handle design. Additional design features include a thumb stud for one handed opening, quick blades change mechanism and clip for convenient storage.