What's the difference between our F1 and M1 Weights. F1 are more precise than M1, with smaller permission error, F1 applied to the calibration accuracy of 0.01g-0.001g precision balance scales. F1 use 304 stainless steel, M1 use 2cr13 stainless steel. Adjust bar (at the bottom of the weights), F1 are without. The item "F1 Grade 1kg-5kg Precision Stainless Steel Scale Calibration Weight Kit Set m" is in sale since Wednesday, December 20, 2017.
This item is in the category "Business, Office & Industrial\Electrical & Test Equipment\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors". The seller is "mywelllife" and is located in CN,CN.This item can be shipped to all countries in Europe, all countries in continental Asia, United States, Canada, Australia.