Nalgene Retainer 16 mm for Nalgene No-Wire Test Tube Rack Thermo Scientfic, DS5979-0016

Thermo Scientifc Nalgene Retainer 16 mm for Nalgene No-Wire Test Tube Racks, DS5979-0016

Features:

• Snaps directly onto 16 mm Unwire test tube rack(specifically catalog numbers 5970-0016 through 5970-0516)
• Securely holds a 6 x 12 array of tubes ranging from 14 mm to 17 mm in diameter
• Made from highly durable polyketone
• Relies on individual, molded-in finger tabs to keep tubes locked firmly in rack, keeping them from floating away in waterbath, falling out when emptying liquids after use or falling out in orbital mixers or shakers