Package Included: 2 Exacto knives, with 20 replaceable hobby knife blades #11. LOVEWEE craft knife is minimalistic and stylish. You can feel its lightness when in use (with the knife cap removed), the net weight is only 11.2 grams. Don’t need to worry about not being able to use it for a long time due to the heavy weight. Optimal Material: Aluminum alloy shell, makes precision knife’s quality won't be harmed by accidental drops; ABS plastic sheath, protects you and the blade at the same time; High carbon steel blade, easily deal with various materials for carving Instant Blade Replacement: Simple action to change the blade, never waste your time. First, hold the exacto knife with one hand while the other hand pinches the threaded frame of the locking blade. Second, loosen the screw and remove the blade. Final step, replace it with a new blade from case, and retighten the screw. Wide Applications: The LOVEWEE craft knife can be used for a variety of engraving materials, including paper art engraving, melon and fruit engraving, antique engraving, rubber stamp engraving, etc. And its sturdy and lightweight design makes it can easily serve the craft activity needs of students, craft industry practitioners, and amateur craft enthusiasts. Service Guarantee: 30-day no-hassle refund. You can get a 30-day hassle-free refund if there is any quality problem with the products you purchased from LOVEWEE Amazon store.