[High quality] Made of high quality ABS plastic and metal, sturdy and durable, dustproof and waterproof, not easy to break and deform, lightweight and smooth surface, reliable and comfortable[No Batteries Required] With purely mechanical structure, no batteries need to be loaded, the counter will react and count accurately when press it, the maximum count can reach 9999 (Note: This counter cannot subtract numbers.)[Easy to use] Supports immediate reset, just turn the side knob clockwise to easily reset the number to 0; The finger ring bracket on the counter top allows to hold the counter firmly in hand[Size] Width: 3.2cm, height: 4.5cm, included 8 different colors: black, yellow, green, blue, pink, orange, red, white; Sufficient quantity and various colors can meet daily use and replacement needs[Applicable] Perfect for used in various places, such as: schools, laboratories, competitions, stadiums, casinos, restaurants and bars, training activities, sports events, knitting, coaching, golf, fishing, headcounting and other occasions where a counter is needed