Precision, compact, and portable balances (readability 0.1 to 0.001g) can be calibrated with our Basic Class F1 Calibration Set. Included in the set are 23 stainless steel cylindrical and leaf weights: 2 x 200g, 1 x 100g, 1 x 50g, 2 x 20g, 1 x 10g,...