Easy to use: The counter can count from 0 to 9999 accurately, press to count, when you press once it counts as one (Note: this counter cannot subtract numbers) No need No batteries: The counters are built mechanically inside, no battery required, which is environmentally friendly and suitable for various purposes Sturdy and durable: The click counter adopts stainless steel metal shell , more robust and durable; the smooth surface and ring holder on top hold the countertop securely in your hand. Easy reset: There is a reset button on the counter that can be easily reset to 0 by simply turning the button clockwise. Wide range of applications: suitable for a variety of situations where counters are needed, such as schools, stadiums, golf, restaurants and bars, number of guests, lap counting, crochet/knitting wheels and other scenarios where counting and bearing are necessary.