Test Tube Rack Set, Plastic, 12/13mm & 15/18mm 50 Holes Karter Sci 208U5 (Pk 2)
For tubes with an OD ranging from 15mm to 18mm, and 12mm to 13mmIdeal for many applications around the house, including parties, arts and crafts, and so onPackage Dimensions: 10.6 inch L x 8.7 inch W x 2.5 inch HPackage weight of the Product: 13.12 Ounces