Measuring range: 1g/2g/5g/10g/20g/50g/100g Storage box: 22*42mm/34*55mm/43*58mm/52*78mm Material: chromeplated 45# steel Color: silver Precision: M1 Package list: 1 x calibration weight Features: << Premium quality: It is made of premium quality 45# steel with chromeplated finish, durable, high hardne, resistant to rust and corrosion. << Function:Great tool for keeping your precision scale calibrated and accurate. << Widely used: Perfect for digital pocket scale, jewelry carat scale, diamond scale and more. << Easy to carry: Designed with a convenient case that firmly secures and protects the calibration weight, compact design, easy to store and carry. Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding! 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item. About Payment 1.Orders proceed timely after the payment verification. 2.Full payment must be made within 7 days after placing your order, or the order will be invalid or canceled by the system. 3.Make sure that you have completed all the detailed information like contact person,addre,post code and telephone number when filling in your buyer's information.RUSSIANS must give us full name because of the ruia post policy Shipment and Delivery 1. Standard Shipping:About 10-35 Work Days to arrive 2.Singapore post : About 15-35 Work Days to arrive, 3.China Post Air Mail : About 15-90 Work Days to arrive. 4.DHL:About 5-15 Work Days to arrive About Feedback 1.Buyer's early confirmation will be highly appreciated after receiving the items. 2.Since your feedback is very important to our busine's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It'll just take you 1 minute,but this 1 minute has the extremely vital significance to us. 3.Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems. Our goal is customer satisfaction!Thank you for your support and understand!