Slice 10490 Manual Retraction Metal-Handle Utility Knife Finger-friendly ceramic safety blade - Non-sparking, non-conductive, non-magnetic blade with shallow cutting depth minimizes blade exposure to fingers and products. 4-Position Manual retraction - Retractable Utility knife with 3 cutting depths allows just the right amount of blade exposure. Blade slider is ambidextrous to accommodate left-handed and right-handed users. Long lasting and maintenance free - Durable metal handle with heavy texture finish. Extremely hard ceramic blade never rusts and maintains sharpness for consistent cuts. Less blade changes = less injuries. No-tool blade change - Quick and simple blade replacements, no tools or lubricant required. Blade storage compartment so an extra blade is always on hand. Ships with a replaceable Slice 10524 Rounded Tip Utility Blade installed.