Lab jack
Fabricated from all Stainless Steel, you will not find a better quality Lab Jack anywhere. Ideal for supporting or elevating different objects in the lab like beakers, flasks, water baths, stirrers, etc. Also great for use with lasers & aligning mirrors in many optics experiments. Oversized knob for easy adjustment. Jack adjustment mechanism is very smooth and accurate. Base and top are the same size, 6" square. Elevates from 3.25" (85 mm) to 10.75" (275 mm).