Baseline dual-sided medical skinfold caliper is made of lightweight aluminum and comes with protective carrying case. ?Floating tips? to assure accurate and reproducible results. The caliper has a large, easy-to-read 70mm scale on each side. This feature facilitates right and left handed uses. The dual sided skinfold caliper comes standard with a calibration block. Medical Skinfold Caliper - Deluxe Dual-sided Model