To provide a covering plate mounted on a finger which can be simply handled by inserting the finger into a finger inserting part and simply moving the finger, and is capable of performing an operation of movement to the next line in accordance with a natural movement of the finger, and whose finger inserting part can be mounted on an appropriately simply exchangeable finger.

The covering plate to be mounted on the finger is provided with the covering plate main body 1 with a specified shape and the finger inserting part 2 which is fitted on an appropriate position of the covering plate main body and into which the finger is inserted. A hooking part with the covering plate main body 1 is provided on a lower part of the finger inserting part, and a part to be hooked of the finger inserting part 2 is provided on an appropriate position of the covering plate main body 1, and the finger inserting part 2 is freely removably constituted to the covering plate.