0-80mm Body Fat Measure Tester Analyzer Sebum Caliper Clamp Shaped Ruler Skinfold Test Instrument Measuring Tape Note: The product batch is different, there are two kinds of double spring/single spring, random! Handheld thickness gauge fat gauge Product accessories: fat gauge + English instruction manual Product range: 0-80mm Material: Plastic Product weight: Black 178g, white 178g, pink 128g, purple 127g, green 127g Product packaging: sealed opp bag Packing specification: 350*258*15mm How to use: 1 Measuring position Upper arm position: the middle point of the line between the right arm shoulder and the head of the radius, that is, the musculi of the brachial bis 2 3 Back: At the foot of the right shoulder blade 4 Abdomen: The right belly button is 1CM fat Measuring position 1. Select the abdomen, the middle of the front thigh, and the biceps as the measurement points. Men need to increase the chest and women need to increase the armpit measurement 2. Lift the fold with thumb and forefinger, and the fold is perpendicular to the long axis of the skin 3. Keep the folds elevated during measurement 4. When measuring, make the claw of the body fat clip perpendicular to the fold, 1CM away from the thumb and index finger. Slowly release the pressure of the body fat clip, the force should be as fast as the lock has just slipped in