Personal Body Fat Tester Manufactured from durable Delrin plastic, a thermoplastic polymer from DuPont Equipped with: (1) a "ball and socket" feature that produces a unique feel and audible "click" to indicate when to stop squeezing Comes with a measurement slider that stops at your measurement so you can release the caliper and read the result comfortably. Material: ABS plastic Size: as pictured Want to know if your body is fat? Want to know how much body fat to lose to be ideal? Weight Loss Guide Ruler - Fat Caliper to help you. The new fat caliper preferred by European and American hot-selling coaches, the weight loss guide ruler, and the special physical measurement equipment for gym personal trainers, the accuracy is comparable to the slim guide large sebum forceps. Anyone who purchases this product has the opportunity to send a powerful fat calculation software. This software You can record the fat changes of your family members, or your member clients on a daily, weekly, monthly, and yearly basis. The fat data of up to 100,000 people can be recorded. The importance of body fat What are the effects of excess body fat on the body? Science shows that excess body fat increases the risk of heart disease, high blood pressure, high cholesterol, diabetes, stroke, and certain cancers, as well as affecting mental health. Unfortunately, excess body fat tends to bring more social stress. Is too little body fat bad for the body? The answer is yes. Just like having too much body fat, too little fat carries some health risks. These include hypothermia, vitamin toxicity, women's menstrual cycle disorders and osteoporosis. Remember, it is necessary for the body to have the right amount of fat. The fat that surrounds the spinal cord, heart and other vital organs is the "essential" fat used to sustain life. Essential body fat accounts for about 9%-10% of the total body weight of women and 2%-3% of the total body weight of men. In this booklet you will find that there is a minimum body fat ratio for both men and women. The difference in this basic body fat ratio between men and women is determined by hormonal factors. How to measure body fat content How to measure body fat content with sebum forceps? How should it be done more appropriately? Measurement site: Upper arm - the midpoint of the line connecting the acromion of the right arm to the radial head, that is, the abdomen of the triceps muscle. Back - under the right scapula angle. Abdomen - 1cm next to the umbilicus on the right abdomen. In addition to the above parts, the neck, chest, waist, anterior and posterior thighs, and calf gastrocnemius muscles can also be measured according to research needs. It should be noted that the thickness of subcutaneous fat measured with a sebum meter is twice the sum of the skin and subcutaneous fat tissue. Specifically, you can use fat calculation software to calculate the fat ratio of your body, determine how to lose weight, and how much weight you need to lose to meet the standard. How to tell if you are losing fat or muscle?