Tweezers and Storage Box Included: This is a complete set including calibration weights, tweezers and a storage box, it is quite easy and handy for you to carry and store
Designed to Hold Easily: Our weights are conjoined cylindrical, with raised parts on the upper end, so it is quite handy for users to take
High Quality Steel Materials: This set of weights is made of high quality No.45 steel materials, so it has good strength and effects of resistance to deformation compared to ordinary steel
Comprehensive Weights Set: There are 17 calibration weights in this weight set, with 13 different specifications in total in order to meet your different needs under diverse application occasions
Multiple Application Scenes: This set of weights has multiple application scenes, suitable for general laboratory, industrial measurement, educational purposes, etc, and the allowable error is - 0.003g to +0.003g