The GoFit Body Fat Caliper first measures the thickness of a skinfold with its underlying fat layer. Then, you simply read your body fat percentage on the included Male or Female Body Fat Chart. Perfect for individuals and trainers alike, its simplicity makes it effortless to get consistent and accurate measurements. When the “Accuracy Lever” clicks into place, the “Measure Slide” will indicate your measurement reading up to 60mm in thickness. Detailed instructions are included, so it’s quick and easy to find your personal body fat percentage. Durable, and lightweight, GoFit’s Body Fat Caliper is ideal for tracking weight loss and fitness goals.