Specification Brand : Generic BulletPoint1 : Suitable for all kinds of round bottom glassware, convenient and practical BulletPoint2 : Acid and alkali resistance, resistance, heat resistance, heat insulation BulletPoint3 : The flask holder is pressed by high temperature and pressure, and the thickness is 30mm. BulletPoint4 : Good elasticity,strong friction coefficient,make sure the flask can place stably BulletPoint5 : Select high-quality, environment-friendly and high-density synthetic cork Color : 80mm Outside Diameter ItemName : Support Stand/Ring Set, 6" x 9" Base, 24" Rod with 4 Rings (3", 4", 5", & 6") ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-support-rings Manufacturer : United Scientific Material : Material NumberOfItems : 1 PartNumber : SET694 ProductDescription : Support Stand/Ring Set, 6" x 9" Base, 24" Rod with 4 Rings (3", 4", 5", & 6".) Support Stand and Ring set features a stamped steel base and a zinc-plated steel rod, along with cast iron rings and boss head clamps. ProductSiteLaunchDate : 2022-11-15T20:26:03.460Z