Metal Construction: Stainless metal construction for strength, durability and lifespan, durable and long lasting. With a smooth surface, it is comfortable to use and does not leave scratches. With finger ring Equipped with a metal finger ring for easy hanging, just place a thumb or finger in it, then you can easily grip the counter in any situation. Counts to 9,999 Counters do not require batteries. Simple to use and works as you expected. Reset button: There is a reset button on the meter, just turn the button and the number can return to zero easily. p> Note: If the numbers cannot be reset normally, please try to turn the reset button counterclockwise and then clockwise. Size: 47 mm in diameter, 33 mm in height Quantity delivered: 3 pieces