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Amazon.com: 100g/0.1mg High Precision Electronic Digital Laboratory Analytical Scientific Balance Scale LCD Display with RS232 for Laboratory, Pharmacy, Jewelry Store, Schools, Chemical Plant and so on : Office Products
VEVOR Lab Scale Analytical Balance, 500g x 0.01g Accuracy High Precision Lab Scale 13 Units Conversion Scientific Digital Laboratory Balance Scale for Lab, Jewelry, Industrial, Business(500g, 0.01g): Amazon.com: Industrial & Scientific