Set of 4 heavy-duty retractable utility knives with 18mm breakable industrial-grade blades

Length 18 mm Width 1 cm Weight 0.3 kg Materials Plastic, Steel Quantity per pack 4 Warranty 2 years Blade material Stainless steel Blade type Retractable 1. Exactly what you need: This craft knife set is perfect for cutting and keeps your knife razor-sharp. 2. Easy cutting: Ready to use, cut and discard, or keep it as a spare utility knife in your garage, toolbox, home, and office. 3.18 MM BLADE - Ideal for thicker cuts. Use for commercial or industrial applications such as thicker paper, tape, plastic, cardboard, balsa wood, basswood, photos, coupons, card stock, mat board, foam board, delicate fabrics, crafts, Amazon, UPS, or postal packages. 4. Prevent the blade from slipping with the safety locking tab. Always keep your blade fresh and sharp by snapping the blade to a new, sharp cutting edge.