The Slim Guide caliper is the most widely used skinfold caliper in the world. Easy to use at home, in the clinic, or at the gym. It is the only low-cost skinfold caliper accurate enough for professional use.  Includes a 6-month subscription to AnthroMetrix software, which is a web based body fat software.  With AnthroMetrix you can create profiles, save pictures, create goals, and calculate body fat percentage according to multiple equations.  Instructions for accessing the software are included in the multilingual color instruction manual (English, Spanish, German, French, and Italian)