Specification Brand : Huanyu BulletPoint1 : 【Range:】1mg-500mg,12 pcs/set(1mg 2mg 2mg 5mg 10mg 20mg 20mg 50mg 100mg 200mg 200mg 500mg) BulletPoint2 : 【Precision: 】E2 class, suitable for calibrating 0.00001g-0.001g electronic balance BulletPoint3 : 【Material:】316 stainless steel----Magnetic susceptibility: ≤0.005----Density: 7.94g / cm³ BulletPoint4 : 【Note 1:】 Before using the weight, use a special cleaning brush and cloth to clean the dirt and other stains on the surface of the weight. BulletPoint5 : 【Note 2:】Do not touch the weight directly by hand. When using weights, please wear special gloves and use special tools to grip the weights. ExternallyAssignedProductIdentifier : 8695682199269 ItemName : Huanyu Calibration Weights Set 500mg E2 Grade 316 Stainless Steel Digital Scale Calibration Weights Set Certified 12 pcs (1mg-500mg) ItemTypeKeyword : calibration-weights Manufacturer : Huanyu Material : 316 Stainless Steel PartNumber : E2 ProductDescription : Huanyu Huanyu mainly provides instruments and tools.