The slice® box cutters revolutionized safety with their ceramic safety blade and unique handles. The safer ergo handle wraps around your hand, protecting you while providing the perfect angle to expose only as much blade as you need. Our finger-friendly blades lasts longer and don't require a sharps disposal box. Suitable for single- and double-walled corrugated. slice® donates 1% of sales to Autism research related charities. Knife Type: Box Cutter; Blade Type: Double Sided; Replaceable; Blade Material: Zirconium Oxide; Number of Blades: 1.