1、The set contains 3 carving knives and 120 replaceable blades. Each blade is very of sharpness, durable, and can make accurately cut and trimmed 2、Craft knives are suitable for accurate projects, artistic work, cardboard, crafts, models, plastics, wood, fabrics, cloth and foam boards, etc. 3、Anti-slip design, each blade is made of good-quality steel and finely polished 4、Lightweight metal handles and textured grips can reduce fatigue and provide more accurate and smoother control 5、Easy blade replacement, just reserve the collar to loosen the current blade, carefully remove the old blade from the clamp, and insert the new blade. Retighten the collar to make sure the blade is firm Item Type: Craft Knife Engraving Knife Full Length: Approx. 14.5cm / 5.7in (manual measurement, for reference only) Tool Handle Diameter: Approx. 0.8cm / 0.3in (manual measurement, for reference only) Material: Tool steel (composed of complex materials) Scope of Application: CarvingSteps: 1. Pay attention to the installation direction 2. Insert the blade 3. Pick up the carving knife and turn the handle to install 4. After use, put on a safety cap to avoid scratches 3 x Craft Knife 120 x Blade