Qcwwy 10 Piece Laboratory Weights 50g Weight Calibration Weight Set with Hook and Ring Scale Calibration Weight Kit for School Grouping Experiments

Qcwwy 10 Piece Laboratory Weights 50g Weight Calibration Weight Set with Hook and Ring Scale Calibration Weight Kit for School Grouping Experiments

Product Features

• Equipped with a plastic box for protection and transport. .
• Not easy to corrode, can be used for a long time.
• Used in general education secondary schools, technical secondary schools in conducting experiments or grouping experiments for students.
• One end is a hook and the other end is an iron ring that can be hooked continuously.
• The structure is simple, easy to use and clean.