Features: _x000D_The Lab-Lifts provide stable height adjustment for various items in the lab such as flasks, baths, and small equipment. _x000D_Top and bottom decks are constructed of anodized aluminum. _x000D_Over sized sure-grip adjustment knobs provide smooth and accurate height adjustment. _x000D_Lab-Lifts accept optional Support Rod Kit which mounts to the upper deck. _x000D_Lifting height range 45mm~158mm, can meet your different needs_x000D__x000D__x000D__x000D_Specification: _x000D_Material: alumina _x000D_Maximum load: 5 kg _x000D_Platform size: 10 x 10 cm/4 x 4 in _x000D_Lifting Height: 45*158mm/1.8*6.2in _x000D_Weight: Approx.496g/17.5oz _x000D_ _x000D_Package list: _x000D_1 x Lab Lift Lifting Platform _x000D_