Hand Tally Counters Display Metal Mechanical Clicker Lap Counter with Lanyard and Finger Ring for Sport Stadium Coach Referees School Event Easily Reset - the is effortless to operate,features a quick reaction speed that mechanically counts with every press.Easily reset to 0 by rotating the metal knob on the right.just rotating clockwise few times to reset reading. Suitable for Various Occasions - The lap counter applied to assorted occasions such as school,lab,competition,stadium,casino,restaurant bars,also ideal for keeping track of scoring in sports counting laps,or athletic training activities ect.and it can be used as coach referee gear. Durable and Practical - the is made by metal case and chrome planted ring, metal construction for strength,durability and lifespan.Easy to carry, you can used in any occasions which needs tallying and counting. Color: silver Size: Diameter 46mm Thickness 30mm Quantity: 4pcs Kind tips: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.