Premium quality wooden rack designed to hold up to 13 test tubes vertically. Rack also features 6 draining pins. Polished Beech Wood. Top shelf of rack has 7 holes that accommodate tubes of up to 20mm, and bottom has 6 holes that accommodate tubes up to 25mm. Measures 10.25" wide, 3.25" long and 8" 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 or pencils and drying fountain pens.