Specification Brand : TOPINCN BulletPoint1 : [Versatile Usage] Suitable not only for experiments but also for storing ground spices in the kitchen, making it a versatile and practical tool. BulletPoint2 : [Designed for 17mm Test Tubes] These tube racks are for holding 18 test tubes in an orderly manner, saving space and facilitating movement. BulletPoint3 : [Suitable for Laboratory or Home Use] Whether in a scientific setting or at home, this test tube rack is a handy organizer for various applications. BulletPoint4 : [ Acrylic Material] Made of strong acrylic, the test tube holder is clear, glossy, and lightweight for long-lasting use. BulletPoint5 : [Highly Polished Surfaces] The centrifuge tube rack boasts a smooth finish with no corners, ensuring safety. ItemName : TOPINCN Acrylic Test Tube Rack, Holds 18 Tubes Transparent Acrylic Test Holder Rack Centrifuge Tube Holder Labortory Display Standsfor Laboratory or Home Use ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : science-lab-tube-racks Manufacturer : TOPINCN ModelName : TOPINCNcvbwq5x407 ModelNumber : TOPINCNcvbwq5x407 PartNumber : TOPINCNcvbwq5x407 ProductDescription : Specification: Item Type: Acrylic Test Tube Rack Material: Acrylic Size: Approx. 15 x 7.6 x 7cm / 5.9 x 3.0 x 2.8in (Manual Measurement Error of 0.1 to 0.2cm) Use: Suitable for Laboratory or Home Use, Used to Store Test Tubes with Aperture Approx. 17mm / 0.7in