The Chemglass Chem-Jack Lab Jacks are precision-engineered platforms designed to provide stable and adjustable support for laboratory apparatus. Ideal for raising and lowering equipment to precise heights, these lab jacks enhance workflow efficiency and ensure secure positioning. With durable metal construction and smooth screw adjustment mechanisms, they offer reliable performance in diverse lab environments. These Chem-Jacks are perfect for use under glassware, instruments, or other scientific setups requiring height versatility. The set includes three identical units, allowing simultaneous adjustment of multiple items or redundant support as needed.