Rack Test Tube, Combination Four Sided

The Universal Combination Rack is designed to hold a variety of tube sizes.

The rack may be rotated to any of the four positions.

Combinations:

• 40 place - 12mm tubes (hole dim: 13mm)
• 8 place - 50ml capacity tubes (hole dim: 30mm)
• 24 place - 15ml capacity tubes (hole dim: 17mm)
• 20 place - 20mm tubes (hole dim: 21mm)

Note:  Test tubes with a diameter of 18mm are known to be unsuitable for this rack. We have not so far found another unsuitable size.