These professional blades are made of plastic and steel which makes them sturdy and durable. With a special triangle blade design, the blade in the protective case works only when you press on it, which is convenient and safe for daily use.
Durable and sharp blade, max cut 12 sheets(70g/m2) paper every time. But cutting less paper can extend the useful lifetime of the blade better. It is highly recommended to cut 5 or eless sheets at a time.
The blades can cut through photo, card and paper products, cleanly and smoothly.