Specification Brand : Sigma-Aldrich BulletPoint1 : Material: borosilicate glass BulletPoint2 : Dimension: L × O.D. × Thickness 6 mm × 6 mm × 1 mm BulletPoint3 : Sold in each BulletPoint4 : Country of origin: United States Color : Viton ItemName : MilliporeSigma Z137561-1LB Sigma-Aldrich Raschig Rings Borosilicate Glass 6x6x1 mm, ~590/lb. ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-support-rings Manufacturer : Sigma-Aldrich Corporation Material : Brass ModelNumber : Z137561-1LB NumberOfItems : 1 PartNumber : Z137561-1LB ProductDescription : SUPPORT RINGS WITH CLAMPS Solid ring with built in clamp for attachment directly to support rod. Available in three sizes. Nickel plated zinc alloy. ProductSiteLaunchDate : 2017-01-22T07:03:37.330Z StreetDate : 2017-06-09T00:00:01Z Style : Classic SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 41000000