Slice 10519 Straight Edge, Ceramic Blade, Pointed Tip Craft Blade, Finger Friendly, Ceramic Blade Stays Sharp 11X Longer Than Steel, 4 Blades Blade type: straight edge, pointed tip Rounded-tips for added safety, non-conductive, non-magnetic, never-rusts; chemically inert Each blade lasts up to 10x longer than steel blade Fits most craft handles Safer than traditional metal craft blades