Smart safety for precision cutting. • Spring activated blade is shielded by the metal channel until the blade slide is engaged. The blade retracts back into the channel when the cutting process is completed to minimize unintentional blade exposure. • Safe and secure cutting performance – heavy-gauge stainless steel blade channel provides secure blade hold. • Designed for both right- and left-hand use. Precise blade control – textured blade slide with thumb stop. • Durable materials for long life – made from high-impact ABS. Tool-free blade change. Exceptional sharpness and long-lasting performance. OLFA® blades are engineered from Japanese carbon tool steel and skillfully crafted to offer unmatched sharpness for superior cutting power and edge retention. Ideal for cutting through cardboard, shrink wrap and plastic strapping.