ARS 526-H has unique “micro serrated” treatment creates microscopic undulation on the cutting edge of the blades. The ARS Supercraft 526-A is very light, very comfortable to use and aramid or other textiles can easily be cut. Because of the “microwave” treatment of the blades the 526-H is precise and smooth and the material that is cut will not slide out. The blades are made from high carbon steel and hard chrome plated for extra long lasting sharpness and durability.