Slotted Weight Kit for Classroom Research, 200g, 50g, 20g, 10g Weights with Convenient Hanger and Storage
Essential Slotted Weight Set for Physics Experiments 200g, 50g, 20g, 10g Weights with Compact Storage Box for Convenience
RKXKJ Precise Mechanical Balance Scale, 0.1g-2610g Lab Analytical Weight Set, with 3 Weights, Accuracy 0.1g, for Lab, Classroom, Kitchen
200g Slotted Weight Set with Hanger Includes 50g, 20g, 10g Weights, Great for Classroom and Laboratory Applications
Laboratory Mechanical Scale, 311g/0.01g Lab Analytical Weight Set with Magnetic Damping Device and 15cm Pallet, Scale Clear and Sharp, No Need Battery, for Classroom, Laboratory, Factories
Digital Scales, 1mg-200g Weight M1 Calibration Weight Set Stainless Steel Chrome Plating Weights Set Precision Gram Scale Calibracion Peso