Wall Mounted Laboratory Draining Rack for any wall or flat surface. Rack measures 20 inches long and wide Features 48 pins with rubber caps to prevent damages and scratches to test tubes. Pins are 2.75 inches long and separated by 3 inches in rows. Made from vinyl coated steel Sturdy design; great for any science or home laboratory. This sturdy, 20x20 inch wall mounted laboratory drying rack contains 48 test tube pins. Each pin is 2.75 inches long and pegs are 3 inches apart. The rack is vinyl coated steel and each peg features a rubber cap to prevent damage and scratches to glassware. Mounting Accessories not included.