Curved Quick-Change Utility Knife, Stainless Steel Retractable Blade, 3 Blades, 6.5" Metal Handle, Black/Chrome Instant blade change with the push of a button. Strong, durable construction combines a cast-metal core with bi-material soft panels for a sure grip. Curved handle design for comfort, control and balance. Swing-out blade storage for easy blade access. Integrated string cutter and retractable slide.