Jack adjustment knob

The top and bottom boards are in different sizes, allowing the one unit to take on two roles.
[Features]
・ It is used for raising and lowering relatively light loads, and can be raised and lowered quickly with one hand.
・ The machine can be turned upside down and the top plate can be used as the bottom plate and the bottom plate as the top plate.
・ A product with a knob-shaped handle that is easy to apply force.
[Applications]
・ Used when raising/lowering laboratory equipment / general equipment on a laboratory table, etc.