Aviation‑Grade Aluminum Build – Our utility knife features a solid aviation‑aluminum shell for lasting durability without the extra weight. It’s a reliable EDC work knife that cuts cleanly through cardboard, carpet, drywall, rope, vinyl, leather, and flooring. Retractable Design with Ergonomic Grip – The non‑slip handle and comfortable grip allow any user – regardless of hand strength – to slice through boxes safely. The ergonomic aluminum handle and push/pull slider reduce finger strain and help prevent injury from extra force at the end of each cut. Quick‑Change Stainless Steel Blades – Replace or reverse the blade in three simple steps: extend the blade, press the fixing button, then swap or flip the blade. Your purchase includes 10 extra blades, so you’re always ready for the next task. Ultra‑Lightweight & Truly Portable – Despite its heavy‑duty performance, this box cutter weighs only 0.18 lbs and measures 4.84″ . The sturdy pocket clip lets you carry it effortlessly in your pocket, backpack, or tool belt. Versatile Multi‑Purpose Tool – Ideal for warehouse work, construction, DIY, crafts, and everyday tasks. Use it as a carton cutter, carpet cutter, construction knife, or general‑purpose utility knife – perfect for professionals and home users alike. Describe Knife Handle Material: Aluminum alloy Blade material: stainless steel, carbon steel Knife handle length: 9cm Blade length: # 60 (7cm)&# 24 (5.5cm) Weight: Approximately 82 g Function: Sharp cutting, replaceable blades