Eisco Labs Test Tube Stand, Z Shape, Aluminum (1", 0.75", 0.5")

Z Shape Aluminum Test Tube Stand Fits 18 Tubes Sizes 1/0.75/0.5 Inch Lab

1 PCS Test Tube Stand Z Shape Aluminum Sheet Fits 18 Tubes 1/0.75/0.5 Inch

Test Tube Rack 18-Hole Holder w/ Drainage – Fits Tubes up to 11mm – USA

5 Pcs 4 Way Plastic Tube Rack Colorful Lab Tube Racks 0.5ml/1.5ml/2ml/15ml/50ml

Plastic Rack for Centrifuge/Test Tube Fit 0.5,2/1.5, 15 and 50Ml Tubes Lab Stand

5 Pcs 4 Way Plastic Tube Rack Colorful Lab Tube Racks Tube Holder for Tubes Lab

5 Pcs 4 Way Plastic Tube Rack Colorful Lab Tube Racks 0.5ml/1.5ml/2ml/15ml/50ml