Feature●PREMIUM QUALITY || Test tube rack featuring a sturdy polypropylene construction that will stand up to the wear and tear of the lab●ACCOMMODATES 12 TEST TUBES || Supports up to 12 test tubes, with 4 holes that measure up to 25mm in diameter and 8 holes that measure up to 19mm in diameter - Provides convenient insertion and removal of tubes●DRYING || Rack has 16 drying pins for drying tubes●GREAT FOR CLASSROOM, SCIENCE LABORATORIES AND HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use. Can be repurposed for use in kitchens, to hold spices or utensils. Great for arts & crafts, for fountain pens and organization●MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mindDescription Includes: (1) Test tube stand Polypropylene, round 12 place test tube stand has four 25 mm dia. holes and eight 19 mm dia. holes in its top plate, with 16 vertical pins for drying tubes surrounded by a trough to catch drippings. Autoclavable rack can be easily disassembled for cleaning purpose.