OLYCRAFT 3 Pcs 4-Way Tube Racks Test Tube Display Stands 3 Colors Plastic Multipurpose Centrifuge Tube Holder With 8~29mm Inner Diameter For Chemistry Laboratory - 168x89x49mm

1pc 15 Hole Plastic Test Tube Holder 18mm 21mm Hole White Test Tube Rack 8pcs Drying Pins Plastic Centrifuge Tube Rack Test Tube Chemistry Laboratory 303657f5 6592 4efe 9cf9 D509cc48b6d7.449e3beebdd80ebd1a0fe99213eb6de9 Package & Size --You will get 1pc white 19 hole plastic test tube holder with 8pcs drying pins, the size about 104mm/4., 09 inch wide, 233mm/9., 17 inch long, 89mm/3., 5 inch high, hole: 8~31mm. OLYCRAFT 5PCS Polypropylene Microcentrifuge Tube Rack, Double Panel 60-Well Centrifuge Test Tube Holder for Chemistry Laboratory - Assorted Colors Unique Design --This test tube holder comes with an upright drying pins to hold the test tubes on one side and dry them on the other, and the two combine perfectly for convenience and practicality. Scienceware®. A test tube rack with 6 holes, 25-mm diam in top plate and corresponding wells in the base. Six vertical pins for tube drying. Size, 9... OLYCRAFT 19 Hole Plastic Test Tube Holder 8~31mm Hole White Test Tube Rack with 8Pcs Drying Pins Plastic Centrifuge Tube Rack the size about 104mm/4., 09 inch wide, 233mm/9., 17 inch long, 89mm/3., 5 inch high, hole: 8~31mm. OLYCRAFT 27Pcs/Set Acrylic Test Tube Rack Set 7.7x12.5x0.7cm Acrylic Wide Applications --The plastic test tube holder is not only designed for professional experiments, it is also ideal for use in science classrooms and homes, gardens, etc.