1 screwdriver = 0.2 m ÷ 0.0096 m per LEGO brick = 20.83 → 21

• en.wikipedia.org

1 screwdriver = 0.2 m ÷ 0.005 m per snowflake = 40 → 40

• en.wikipedia.org

1 screwdriver = 0.2 m ÷ 0.0071 m per Oreo = 28.17 → 28

• one cookie ~11.4 g, ~7.1 mm thick

1 screwdriver = 0.2 m ÷ 0.00847 m per barleycorn = 23.61 → 24

• still sets British shoe sizes

1 screwdriver = 0.2 m ÷ 0.0309 m per attoparsec = 6.482 → 6½

• a parsec × 10⁻¹⁸ ≈ 3.09 cm