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500mg-1mg: 12pcs----1mg/ 2mg*2/ 5mg/ 10mg/ 20mg*2/ 50mg/ 100mg/ 200mg*2/ 500mg
Huanyu Instrument Huanyu Instrument mainly provides instruments and tools. We provide voltage customized services, specific requirements can be contacted by email, we will respond promptly.After your order is confirmed, the product usually takes 7--13 business days to arrive to your hand. Specifications: Description 1.Weights is used as a quality standard object, usually are metal blocks; 2.Material measure of given mass and shape; 3.Used for checking weighing instrument and weighing; 4.It is a subordinate physical measurement; 5.No access to corrosive substances; 6.Prevent collision or fall, to avoid bumps or scratches; 7.When in use, do not use hand directly, clamp with tweezers or wear gloves. Friendly Reminder When purchase, please confirm the product is from our Huanyu Instrument, otherwise we can't ensure the quality and after-sale service.We will try our best to provide you the best product and service, welcome to buy our product.