INTBUYING Grade 1mg-200g Stainless Steel Scale Calibration Weight Kit Set Certificate Strict Standard

grade 1mg-1kg stainless steel scale calibraiton weights kit sets, balance weights. Total 25 pcs weights, use 304 stainless steel. Packed in aluminium alloy case, with factory’s certificate.
1x 1mg weights
2x 2mg weights
1x 5mg weights
1x 10mg weights
2x 20mg weights
1x 50mg weights
1x 100mg weights
2x 200mg weights
1x 500mg weights
1x 1g weights
2x 2g weights
1x 5g weights
1x 10g weights
2x 20g weights
1x 50g weights
1x 100g weights
2x 200g weights
1x tweezer
1x aluminium alloy case
(as each set is different, the error of each weights is with small difference, but the error is within the maximum perssible errors of F1 weights ).
What's the difference between our and M1 Weights:
1. are more precise than M1, with smaller permission error
2. use 304 stainless steel, M1 use 2cr13 stainless steel
3. M1 are with adjust bar (at the bottom of the weights), are without.
Item included:
1 set of Grade 1mg-200g Stainless Steel Calibration Weight Kit(251095)