Package Included: 2 precision knives with 20 replaceable #11 blades. Minimalistic and stylish design, lightweight at only 11.2 grams for comfortable extended use. Aluminum alloy shell ensures durability against accidental drops Abs plastic sheath provides protection high carbon steel blade handles various carving materials with ease. Simple blade replacement process: loosen the screw, remove the old blade, insert new blade from case, and retighten. Suitable for paper art, fruit carving, antique restoration, rubber engraving, and more. Ideal for students, craft professionals, and hobbyists. 30-day refund guarantee for quality issues.