Specification Brand : Aramox BulletPoint1 : [Precise Balance Testing] This kit includes 4 pieces of 200g calibration weights with ±2% accuracy, for ensuring precise weight determination and balance testing in various settings. BulletPoint2 : [Chrome Plated Steel] Made of chrome plated steel, these weights are , -resistant, and guarantee a long service life, providing results for all your experiments. BulletPoint3 : [Versatile Use] Ideal for laboratory, classroom, or home use, these calibration weights are suitable for studying pressure, force, torsion, and other experimental projects, making them a versatile tool for learners of all levels. BulletPoint4 : [Compact Storage Box] These double hook weights come neatly packed in a compact storage box, ensuring easy storage, portability, and maintaining calibration accuracy wherever you go. BulletPoint5 : [Convenient Hook Design] The 200g weights are designed with hooks for easy tool pickup and placement, reducing potential errors caused by manual handling and ensuring accurate measurements every time. Color : Black ItemDisplayWeight : 2.76 pounds ItemName : 4PCS 200g Chrome Plated Steel Calibration Weight Set for General Science and Physics Laboratory Work ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : calibration-weights Manufacturer : Aramox Material : iron ModelName : Aramoxnwb7erfgm1 ModelNumber : Aramoxnwb7erfgm1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Aramoxnwb7erfgm1 ProductDescription : Specification: Item Type: 200g Weight Set Material: Chrome Plated Steel