Used lange skinfold caliper, tested and inspected to be calibrated and in excellent used condition with original manual. Will show signs of light typical wear. Includes 5-step calibration block to test calibration. Lange skinfold calipers are trusted at fitness centers and by personal trainers and healthcare providers worldwide. Lange calipers come with compact and attractive hard case, plus an instruction book. SPECIFICATIONS: Accurate to 1.0 millimeter; The tips adjust automatically for parallel measurement; The scale is easy to read and measures up to 60 millimetersLow friction bearings on all critical pivot points; Spring-loaded levers provide a constant standard pressure of 10 grams per square millimeter.