Art knife, also known as art knife, engraving knife or wallpaper knife, is a portable cutting tool with replaceable/breakable blades as its core, widely used in handmade, art, office, modeling and light industry scenes. High carbon steel or stainless steel with pre engraved fracture lines; After blunting, it can be broken along the engraved line to expose a new blade. Automatic locking, knob locking, or spring rebound ensure that the blade does not shrink during use. The handle is made of ABS, aluminum alloy or titanium alloy, with common anti slip patterns or rubber coating to enhance grip safety. Sliding push button, adjustable length, safety blade, non sparking and non-conductive. Can be used in office, school, daily unboxing, paper art and other scenarios.