The New Secumax Zepher 109AT is a concealed blade safety cutter designed to cut layers of material still wound tightly on rolls. It protects the operator and minimizes product waste at the same time. This version is best for medium to heavier industrial materials. Incorporates an adjustable depth feature. Concealed blade for high level of safety. Minimizes product waste. Ergonomically friendly grip. Does not require thumb to initiate cut like on other Zepher models