Installed blade type: rounded-tip #10404 Durable nylon handle with protective ergo shape Manual retraction with two cutting positions Ambidextrous design Lanyard hole Finger-friendly blade cuts effectively Reduces injuries, lowers costs Non-sparking, non-conductive, non-magnetic blade Chemically inert blade never rusts Oil- and lubricant-free blade 100 percent zirconium oxide blade Blade edge lasts up to 11.2x longer than metal Fewer blade changes = fewer injuries Compatible blades: 10404, 10408 No-tool blade change SKU #10400