Features 1、The Lab-Lifts provide stable height adjustment for various items in the lab such as flasks, baths, and small equipment. 2、Top and bottom decks are constructed of anodized aluminum. 3、Over sized sure-grip adjustment knobs provide smooth and accurate height adjustment. 4、Lab-Lifts accept optional Support Rod Kit which mounts to the upper deck. 5、Lifting height range 45mm~158mm, can meet your different needs Specification Features: The Lab-Lifts provide stable height adjustment for various items in the lab such as flasks, baths, and small equipment. Top and bottom decks are constructed of anodized aluminum. Over sized sure-grip adjustment knobs provide smooth and accurate height adjustment. Lifting height range 45mm~158mm, can meet your different needs Specification: Material: alumina Maximum load: 5 kg Platform size: 10 x 10 cm/4 x 4 in Lifting Height: 45*158mm/1.8*6.2in Weight: Approx.496g/17.5oz Package list: 1 x Lab Lift Lifting Platform Package List