Designed for precision and ease of use, this instrument is great for cardiologists and nurses. The caliper's clear, easy-to-read scale allows for quick and accurate heart rate measurements. Its great design it can withstand regular use in busy clinical environments, providing reliable performance every time. Features -Color:Purple -Material:Iron, plastic -Size:11.50X2.00X1.50cm/4.52X0.79X0.59in -Accurate heart rhythm analysis: designed to measure heartbeat intervals with precision, this tool supports detailed cardiac assessments -User-friendly design: features intuitive markings and ergonomic construction, making it easy to use for both professionals and students -Comprehensive measurement tools: includes calipers, rulers, and dividers to meet various cardiology measurement needs in one -Reliable durability: crafted from iron, plastic materials, this tool withstands regular use while maintaining its accuracy and functionality -Clinical and education versatility: suitable for cardiologists, nurses, and students, this tool adapts to diverse professional and academic applications Package list: 1 x Caliper with sleeve