Features: High-contrast, easy-to-read measurements. Graduations in 0.125-inch/0.039-in increments. Measurements range from 2.5 to 39 inches and 65 to 0.039 inches. Suitable for infants and toddlers up to 2 years old. Durable construction; no electricity required. Soft, contoured tweezers are gentle on a child's touch. Measures in both imperial and metric units.