Specification Brand : Grcfumo BulletPoint1 : DESIGNED FOR 30MM TUBES: This stainless steel test tube storage rack is tailored for 30mm tubes, featuring 6 holes with a diameter of approximately 1.18 inches each. BulletPoint2 : 304 STAINLESS STEEL: This test tube rack holder adopts premium 304 stainless steel material, and it's featured with sturdy structure and excellent impact resistance. BulletPoint3 : 3 TIERS DESIGN: This stainless steel test tube rack is featured with 3 tiers design which ensures high stability, it can hold the tube firmly and avoid the test tube damage effectively, perfect for laboratory. BulletPoint4 : MULTI PURPOSE: This test tube rack holder is widely applicable to scientific experiments, plant propagation and storage of cooking spices, facilitating various scientific and domestic tasks. BulletPoint5 : PREMIUM MATERIAL: Crafted from 304 stainless steel, this test tube storage rack embodies quality and reliability. Its rust-resistant properties ensure longevity and maintain pristine condition even after repeated use. Color : Multi ItemDisplayDimensions_Length : 5.2 centimeters ItemDisplayWeight : 0.74 grams ItemName : Test Tube Storage Rack, 6 Holes Stainless Steel Test Tube Rack, 3 Tiers Test Tube Rack Holder for Laboratory School ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-tube-racks ItemVolume : 1 cubic_centimeters Manufacturer : Grcfumo Material : paper, plastic ModelName : YWBL-WH37mepy01io ModelNumber : Grcfumo7o938x0r6z NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Grcfumo7o938x0r6z ProductDescription : Item Type: Metal Test Tube Rack Material: 304 Stainless Steel Application: Ideal for 50ml Test Tube, Applicable to Scientific Experiments, Plant Propagation and Storage of Cooking Spices Product Size: Approx. 11.9 x 8.9 x 8.7cm / 4.7 x 3.5 x 3.4in ( Manual Measurement, Slight Error May Exist )