The Original - This Small Ripper is the ultimate in safety because it protects the operator and minimizes waste without using a blade at all. It cuts single to minimal layers of material still wound tightly on rolls. This version works best for light to medium materials. The Big Ripper is the ultimate in safety because it protects the operator and minimizes waste without using a blade at all. It cuts single to minimal layers of material still wound tightly on rolls. This version works best for medium to heavier materials. The Ripper is the ultimate in safety because it protects the operator and minimizes waste without using a blade at all. It cuts single to minimal layers of material still wound tightly on rolls. This version works best for light to medium materials. Bladeless cutter for maximum safety. Ergonomically friendly grip