Compact flexiable calipers, intended for jewelers, hobbyists, and PCB inspectors, weigh less than 100 grams. They measure 75-150mm. with a height of only 15mm which allows them to fit in narrower spaces. The exploring attachments which are made of magnetic materials improve portablity while making it easier to see in low-light conditions. This poratble device has a remarkable resolution of 0.01 mm, which is outstanding for its size, The backlit LCD screen displays both imperial and metric units.