Description: Material: Burette Rack is made from acrylic material, durability and resistance to high temperatures, ensuring a long term use.Product Dimensions: Each hole in the rack has a diameter of 8mm, accommodating most standard burettes comfortably, making it compact and easy to install in various settings.Design: The back-fixed screw can be clamped on the tank wall, securely holding various dropper tubes. It is suitable for glass up to 19mm thick.Features: The fixed tubular frame is designed for titration of titration pump, the size is suitable, the stability is good.Versatile Use: This titration pump bracket is suitable for laboratories, research institutions or any place where performance liquid handling is required. Specification: Material: Acrylic Color: Clear Size Chart: 3 Holes: 5cmx7cmx5.5cm/1.97inchx2.76inchx2.17inch6 Holes: 10cmx7cmx5.5cm/3.94inchx2.76inchx2.17inch Package Includes: 1 PieceBurette Rack Note: Please allow slightly errors due to manual measurement and different monitors.