The surface is smooth and the ring holder on the top holds the finger counter firmly in your hand, its reliable performance and long service life. Easy to use: The hand counter can be counted accurately by pressing button from 0 to 9999. (Note: This mechanical counter cannot count backwards). When you hold it in your hand, you can hook it on your index finger and press the speedometer button with your thumb. Very convenient for the palm of your hand. No Batteries Needed: Thanks to the mechanical design inside the meter, no batteries are required. This eco-friendly meter can be used in a variety of harsh environments. It is light and compact, has a round shape and can be held in the palm of the hand for counting. It is easy to carry and takes up little space in your pocket or bag. Easy Reset: With a reset button on the meter, it can be reset easily by turning the knob. The large display makes it easy to read the quantity of coins.Wide range of uses: suitable for many occasions that require counters such as schools, stadiums, golf sports, restaurants, guest counting, counter counting. tricks, knitting, etc.