Test Tube Stand, Polypropylene, 25mm dia. holes for 6 tubes-EIS-CH0694B offers a thoughtfully designed, durable resource for hands-on learning. Holds (6) 25mm test tubes Has 6 drying pins Comes in both blue and white polypropylene Includes: (1) Test tube stand This basic polypropylene test tube stand holds 6 test tubes up to 25mm in diameter. It is autoclavable and has 6 pins for drying as well. It is available in both Blue and White. In an effort to add some surprise in your life, you may get either!.