Slice Mini Cutter, auto-retractable 10514. The Mini Cutter works as a box cutter, handy knife, or kitchen multi-tool. Feature: auto-retractable handle with rubberized slider button; out of harm's way when you're not using the knife, built-in magnet and key hole keep it handy; and a non-sparking, non-conductive blade with Finger-Friendly edge that stays sharper 11x longer. Ambidextrous design. Safer than a utility knife and up to ten times sharper and more longer lasting than steel. Includes a double-sided, replaceable ceramic blade that is equivalent to twenty steel blades. This package contains one 2-1/2x1-1/2 inch ceramic blade mini cutter. Uses replacement blade 10404.