Compatible tools: 10400, 10503, 10512, 10513, 10514 Chemically inert, never rusts No-tool blade change Non-sparking, non-conductive, non-magnetic Finger-friendly edge stays sharp 11x longer Blade type: pointed-tip replaceable 4 dual-sided blades per pack Safe up to 1600 degrees Celsius Reduces injuries, lowers costs Fewer blade changes = fewer injuries