Premium quality wooden rack designed to hold up to 12 test tubes vertically. Polished. Rack features 12 holes measuring 28mm in diameter. Measures 10.25" wide, 3" long and 6" tall. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use. The design of this rack allows it to be repurposed in a variety of ways - can be used in kitchens to hold spices, tools or other utensils, or for crafting organization. Great for holding paintbrushes, pencils and drying fountain pens.