Specification Brand : Hapivida BulletPoint1 : Quality Material: Metal Test Tube Rack is made of quality 304 Stainless Steel material, which has excellent impact resistant, providing you with an accessory you can rely on BulletPoint2 : 12 Holes 3 Tiers: Stainless Steel Test Tube Holder is adopt 3 tiers design and 12 holes in total, which can hold the tube firmly and avoid the test tube damage effectively BulletPoint3 : Compatibility: Centrifuge Tube Holder is designed for 19mm tubes, each hole is about 19mm / 0.75in in diameter, please check the details for compatibility before ordering it BulletPoint4 : Easy to Use: Scientific Test Tube Rack can provide clear view of the tube contents and convenient insertion and removal of tubes, and it is light weight, easy to carry BulletPoint5 : Wide Applications: Cylindrical Glass Test Tubes Organizer can be used to place the test tube in an orderly manner in the laboratory, so as to save a lot of space, and can be used as a carrier to better move the test tube Color : One Color ExternallyAssignedProductIdentifier : 8114963003236 IncludedComponents : Storage Holder ItemDisplayDimensions_Height : 4.17 centimeters ItemDisplayDimensions_Length : 5.51 centimeters ItemDisplayDimensions_Width : 5.51 centimeters ItemDisplayWeight : 0.72 pounds ItemName : Stainless Steel Test Tube Holder, 12 Holes 0.75in Metal Test Tube Rack 3 Tiers Centrifuge Tube Holder Cylindrical Glass Test Tubes Stand Rack for Laboratory School ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-tube-racks ItemVolume : 1 cubic_centimeters Manufacturer : Hapivida Material : PP ModelName : Zerodiszafo3v60cb ModelNumber : Hapividaga4ez3nv7f NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Hapividaga4ez3nv7f ProductDescription : Specification: Item Type: Metal Test Tube Rack Material: 304 Stainless Steel Application: Convenient Insertion and Removal of Tubes in Laboratory Product Size: Approx. 15.9 x 8.5 x 6.2cm / 6.3 x 3.3 x 2.4in ( Manual Measurement, Slight Error May Exist )