Precision Balance Scale Calibration Weights Kit Set 5g 10g 20g 50g 100g
From The Manufacturer：1. Top quality, largest selection, best   value2. Smooth surface3. New, Top Quality Product4. Compact,   high-performance design5. The tweezers is Convenient to hold all of the   weights for quick easy accessSpecifications:1.   Brand New In Box2. Plastic Storage Case: 3.15 x 2.07 x 1.61inch/8 x 5.3 x   4.1cm(L x W x H)3. Material: Nickel-plated Steel4. Class: M25.   Permissible Error: +/- 0.003g6. Quantity: 1 x 100g,1 x 50g,2 x 20g,1 x 10g,1   x 5g,Together 205 g7. Color: Silver8. Total Weight:   250g/8.82ozPackage Includes:1 x Plastic Storage   Case1 x Tweezers1 x 100g Calibration Weights1 x 50g Calibration   Weights2 x 20g Calibration Weights1 x 10g Calibration Weights1 x 5g   Calibration Weights