Stainless Steel: The calibration weight is made of stainless steel material, wear-resistant and anti-rust, sturdy and has long service life. The surface is smooth
25pcs Total: There are totally 25pcs weights varying from 1mg-200g, which can meet various calibration needs
Adjust Bar: The M1 grade weights has the adjust bar at the bottom
Aluminium Alloy Box: The weights are put in a aluminium alloy box, which can keep the weights from being damaged during transportation. The tweezer is included
Wide Application: The weights can be used for precision measurement, suitable for balance scale or other scales, suitable for laboratory, daily home uses and so on