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This very complete range of discs and strips is used for composites, amalgam and gold.
DM Class I. Manufacturer: 3 M Deutschland GmbH Germany.
The Complete 1980 Box contains: 240 soft support discs (blue) assorted in 2 diameters (9.5 and 12.7mm) + 4 grains (coarse, medium, fine, extra-fine) + Pop-On mandrel.
The complete 2380 box contains: 240 rigid extra-thin standard support discs (orange) in 2 diameters (9.5 and 12.7 mm) + 4 grains (coarse, medium, fine, extra-fine) + 1 Pop-On mandrel .
The restocking of 85: Standard discs (flexible):
Diameter: ⌀ 9.5 mm: 1981SF, 1981F, 1981M, 1981C
⌀ 12.7mm: 1982SF, 1982F, 1982M, 1982C
Extra-thin discs (hard):
Diameter: ⌀ 9.5 mm: 2381SF, 2381F, 2381M, 2381C
⌀ 12.7mm: 2382F, 2382F, 2382M, 2382C