6pcs Microcentrifuge tube rack, includes 1 blue, 1 orange, 1 green and each centrifuge pipe holder rack size is 8inX2.87inX0.86in Each centrifuge rack stand has double sided panel and each panel has 60 wells.What’s more，each panel has different well diameter size.One side well diameter is 0.43inch diameter and the other side well diameter is 0.28inch diameter. Our Microcentrifuge tube racks are made of high quality PP material which is durable and not easy to be broken，which generally suitable for 0.5-2ml centrifuge tube and 2ml lab test tube Our 0.5-2ml microcentrifuge tube rack holders are only suitable for centrifuge tubes with various bottom shapes, regardless of whether the bottom of the centrifuge tube is pointed, rounded or bottle-bottomed. Using the microcentrifuge lab test tube rack holder can organize your centrifuge test tube neat and tidy to help protect your test tube and help you to improve work efficiency 6pcs microcentrifuge tube rack lab centrifuge tube holder stand lab test tube pipe holder with double panel 60 wells for 0.5ml-2ml centrifugal tube