Tips go dull. Discs wear out. The 2UUL DA790 refill pack keeps your Mini Micro Tip Sharpener cutting like day one: twelve 35 mm discs in four graduated grits — 400#, 800#, 1000# and 3000# — to strip burrs and oxidation fast, then polish tweezer tips back to as-sharp-as-new. Complete 4-grit progression — 3 × 400# for fast burr and oxidation removal, 3 × 800# for shaping, 3 × 1000# for refining, 3 × 3000# for the final mirror polish. Official 2UUL fit — 35 mm discs made for the
