Specification Brand : FTVOGUE BulletPoint1 : [Precise Balance Testing and Weight Determination] This set includes 4 pieces of 200g calibration weights with ±2% accuracy, ideal for precise measurements and experiments. BulletPoint2 : [Compact Storage Box] The double hook weights are stored in a compact box for easy storage and portability, providing added to maintain calibration precision. BulletPoint3 : [Versatile Applications] For laboratories, classrooms, or home use, these weights are ideal for studying pressure, force, torsion, and various experimental projects. BulletPoint4 : [ Chrome Plated Steel] Made of excellent chrome plated steel, these weights are highly durable, and ensure long-term use without deformation. BulletPoint5 : [Convenient Hook Design] The 200g weights come with hooks for easy tool pickup and placement, minimizing errors from manual handling for accurate readings. Color : As Shown ItemDisplayWeight : 1.09 pounds ItemName : 4PCS Calibration Weights Set 200g, Chrome Plated Steel Hooked Weight for Home School Teaching Experiments ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : calibration-weights Manufacturer : FTVOGUE Material : steel ModelName : Eacamkwh9ax1s7d ModelNumber : FTVOGUEka4rw6032i NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : FTVOGUEka4rw6032i ProductDescription : Specification: Item Type: 200g Weight Set Material: Chrome Plated Steel