Item Type: Skinfold Body Fat Caliper Material: International iron, stainless steel Measuring Range: 60mm / 0 ~2.36in Zeroing Method: Rotate the adjusting ring by hand to align the pointer to the number "0" Scope of Application: Measuring fat thickness Package List 1 x Skinfold Body Fat Caliper 1 x Aluminum Box 1 x Weight 1Accurate Measurement: Its precise and accurate measurement can help you monitor your body's fat percentage, leading to a better understanding of your health and fitness goals. 2Constant Pressure: With its constant pressure design, it can ensure consistent results throughout the entire measurement process and obtain accurate readings every time. 3Error Range: It has been tested with a 3 dimensional measuring device to ensure its accuracy. Its design and construction allow for readings that have an error of only 0.030.05mm. 4Easy to Use: It is easy to use and operate, making it perfect for anyone looking to monitor their body fat percentage. Its lightweight and portable design make it easy to take with you wherever you go. 5Suitable Scene: Whether you're a bodybuilder, athlete, trainer, or just someone passionate about fitness, our skinfold body fat caliper is an essential tool that will help you get your fitness goals