Welch Allyn DS58-MC Platinum Gauge With Family Practice Kit is super shock-resistant - can withstand up to 60 inch drop (twice the AAMI Shock Resistant standard) and remain in calibration. Jewel movement for long life, laser-engraved dial face for accuracy, premium inflation system for comfort and ergonomic inflation bulb enhances user comfort. Lifetime calibration warranty. Lighter weight than traditional models - won't weigh down your lab coat. Premium aesthetics. Latex-free. Adult durable two-piece cuff and nylon zipper case.