Product Description:This general purpose rack holds 40 test tubes up to 18 mm in width and is ideal for use in many applications from laboratory testing to food and beverage service. Three tier test tube rack holds 40 tubes. Tiers are light blue for easy viewing and holes are inscribed with numbers for tracking tubes.
<item description> Universal Domeless Titanium Nail fits 14 mm and 18 mm down stem either male or female, only flip it and use the bowl on the other side.
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