The Z-Series #1 Knife has X-Acto's sharpest, most durable blade. On average, the Z-Series blades are 7 to 10 times sharper. Incorporating over 100 years of engineering expertise, X-Acto has created a cutting instrument with superior strength and longevity.
The knife's Z-Series #11 blade is zirconium nitride coated, adding significant strength especially to the blade's tip. Included is a cap for added safety and protection of the blade.
