Specification Brand : Ohaus BulletPoint1 : Weight Class: Class 7 BulletPoint2 : Material: Weights above 5g are 303 Stainless Steel. Weights 5g and below are 3003-H14 Aluminum BulletPoint3 : Set Range: 100 g-1 g BulletPoint4 : Certificate Type: No Certificate BulletPoint5 : Dimensions: 4.415 x 2.754 x 0.836" Color : 1 ItemName : OHAUS 311S 100 g-1 g Economical Stainless Steel Class 7 Weight Set with No Certificate ItemTypeKeyword : science-lab-weights Manufacturer : Ohaus Material : Cast Iron Material1 : Stainless Steel Material2 : Aluminum ModelNumber : 311S PartNumber : 311S ProductDescription : For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. ProductSiteLaunchDate : 2019-06-04T19:18:36.274Z