The DNA Pro-Fit Skinfold Body Fat Caliper and Tape Measure Kit allows both men and women to easily measure their body measurements and fat percentage with the same accuracy any personal trainer or medical professional would and without assistance. These kit also include a free guide on how to use the calipers, with step by step pictures of how and where to take the measurements. Additionally, it includes MEN/WOMEN body fat charts to measure fat%. Kit includes: Unisex caliper to accurately measure and track your body fat. Convenient and durable body tape engineered for daily use. Instructions on “how to use” are included Men and women fat% chart included