RELIABLE & DURABLE. Retractable utility knife is sturdy and strong as it has stainless steel blades of high quality and ergonomic handle. Cut sharp and rust resistance. HEAVY DUTY. Professional box knives ensure strength, comfort, and maximum productivity. Aluminum shell design, more durable and stronger than normal plastic cutters. SAFE TO USE. Multi-position blade slide. Furnished with one blade. Interlocking overlap nose secures blade safety between knife halves. Suitable for office, warehouse, shipping, home improvement. MULTIUSE. Cutting moving boxes, carton, leather, cardboard, carpet, rubber, fabric, wallpapers, paper, tape, plastic, foam board, DIY school projects, art and craft projects, and more. EFFICIENCY. Features hang hole for convenient hanging and carrying. Easy load the next razor, always working with the sharpest edge. Compatible with refills blade.