This little cube rack holds tube sizes all the way up to 15ml (all you smaller 13mm lavender, blue, gray tubes all the way up to your bigger tube sizes like 16mm red, SST and urine centrifuge tubes.

Perfect for portability and easy handling. Great for putting in all of our phlebotomy trays and they slide right into those tight little un-used spaces in your laboratory refrigerator. This rack is NOT autoclavable. Dimensions: 2-7/8"