Description: Holds both 15 and 50 ml tubes. 
Easy to assemble polypropylene racks snap together. May be used in water baths, alphanumeric grid reference and autoclavable. Shipped flat. 15 ml wells: 17 mm diam.; 50ml tubes: 28 mm diam.

Measures: 8 x 6.7 x 2.4"
One/pack.