Tiny and portable: the stainless steel metric ruler with keychain measures 4 x 4 x 1.5 cm/ 1.57 x 1.57 x 0.6 inches, lightweight and portable, which can be placed in pockets, stationery boxes, or hung on keychains and would not cause any burden to you Multifunctional measuring tool: the mini keychain ruler is designed with accurate metric and inch measurement scales for easy reading, which can extend up to 3 feet/ 1 meter, meeting your different measuring needs with two length scales Retractable and fixable: there is a sliding lock to keep the measuring position safe, allowing the keychain ruler to move back nimbly and fix the ruler on a certain scale; When you release the lock, the measuring tape retracts smoothly, no hands required Flexible and soft: the pocket measuring tape is made of stainless steel, with good toughness and scale, reliable, soft and not easy to break; Using the plastic ruler case, the stainless steel measuring tape provides comfortable hand feeling, not easy to