The Lange Skinfold Caliper with 5-Step Calibration Block is a compact and precise tool for measuring body fat percentage. Designed in collaboration with professional athletes and trainers, this caliper is ideal for gym and training purposes. The hard case ensures durability and portability, making it convenient to use at home or in the studio. With accurate 5-step calibration, this caliper provides reliable results for those looking to track their body fat progress.