Dimensions: 
Length: 11.5 cm
Width: 9.5 cm
Height: 8 cm
Components:
The device features a circular turntable where rhinestones of various sizes (0.4 cm, 0.5 cm, and 0.6 cm) can be loaded.
The turntable itself has a diameter of 8.1 cm.

Parts and Usage:
Spring Rope: Likely part of the mechanism that allows the device to press down with appropriate force.
Press on the Cover: Indicates the area to press for applying the rhinestones.
Transparent Cover: Protects the rhinestones and possibly keeps them in place.  - Turntable: Holds the rhinestones in designated slots.
Handle: Used for holding and pressing the device.

Steps for Use:
1. Open the Outer Cover: Lift the transparent cover to access the turntable.
2. Put the Diamond into the Hole: Place rhinestones into the holes on the turntable.
3. Press the Press on the Item: Align the device with the item to be decorated, then press down on the cover to apply the rhinestones.