Heavy-duty metal handle. Ergonomic, squeeze trigger is glove-friendly and helps prevent hand fatigue. Automatic blade retraction for added safety 3 locked cutting depth options; 0.87???/ 22mm, 0.47???/ 12mm, 0.16???/ 4mm for controlled, safe cutting and to help prevent merchandise damage when opening boxes. Integrated Safety Lock prevents accidental blade expopure when not in use. High-quality durable carbon steel blade for long-lasting use. Stress-less, no tool blade change. Lanyard ready. Ambidextrous. Pre-loaded with one B11119-9 replaceable Heavy-Duty Utility Blade Round Tip.