Scissors Jack-200mm-15KG; Dimensions: 8"x8"; Extendable lifting height range from 85mm to 280mm and the maximum weight supported is 15kg Our scissor-style lab jack is available in 5 sizes to support a wide variety of items or lift objects , an ideal choice to satisfy most daily laboratory work; stainless steel top and bottom plate is non-magnetic, galvanized iron bracket with magnetic property Made of high-quality stainless steel, ensuring it's durable, corrosion-resistant and heavy-duty construction. The screws are not specially tightened during manufacturing, which can loosen during transportation; check and tighten bolts before use Raise jack to proper height before placing heavy objects; placing heavy objects first will make it difficult to lift Please keep it clean and store it in a cool, dry place after each use;