Change the model:
✓ F2 Mass Standard - Flat Polygonal Sheets - 200 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 5 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 50 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 500 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 10 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 1 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 100 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 2 mg
✓ F2 Mass Standard - Flat Polygonal Sheets - 20 mg