Feas: 1. Made of eel, l 2. Used to adjust height position of subject 3. Gene used to object or instrument suitable for physical, , biological exments 4. ing height range from 45mm to 150mm to meet your different needs 5. ists of panels, underground and rotating shafts, handwheels and other components 6. to use, even ing position, rotating handwheel, can be raised and red on front panel, adjusted to required height Specification: Condition: l: less Steel Panel Length: Approx. 9.8cm / 3.9in Package List: 1 * La ing How to maintain: Keep after use and s in a cool, dry, non-corrosive