JINYI Diet More Effectively: Body Calipers help you easily to track your bodys situation with accurate measurement and help you measure body fat percentage based on potential fat. Dual Scale (mm/inch): Fat Measurement Tool features a dual scale (mm/inch) for accurate measurements in more situations. In addition, the body fat measuring device is non-slippery and fits securely in the hand. Reliable Material: Skin fold Caliper is made of durable with dual graduations (mm/inch) to resist fading and provide accurate measurements for more situations. Easy to Operate: Refer to the body fat interpretation chart to determine your body fat percentage and what it means. Using Body Fat Tester is very convenient Versatile Scenes: Fat gauge is perfect for dieters, bodybuilders, and those who often need to pay attention to their body fat percentage. For self-use at the gym or at home. Delivery Quantity: 5pcs Package Contents: Only the above package contents, excluding other products. Size: 16.5*10.3cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color: red (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)