This drying rack can dry or store up to 28 test tubes at the time. It can also be used to dry beakers, cylinders or other types of glassware and plasticware. It comes with a detachable plastic tray to catch the water. The drying rack measures approximately 45cm high and 34cm wide. It has 4 rows with each 8 prongs. There is approximately 3.5cm between each prong. Each prong measures approximately 10cm high. The water tray measures 33 x 13.5cm and can be removed from the drying rack for easy cleaning and disposal of the water. The drying rack is self-standing but can also be mounted to a wall.