Vibration Receiver (Pencil Type)

An easy-to-use pencil type sieving machine.
Easily shake test tubes, centrifuge tubes, stacked mesh sieves, etc.
A silicone cap is attached to the tip to prevent slipping and scratching on the object (remove the cap when seeking greater vibration).
You can shake it with the button at hand as necessary, which improves work efficiency.
It can be used anywhere with dry cell batteries.
You can make subtle vibrations at hand.