How to Identify your S.T. Dupont Lighter - Ligne 2

The S.T. Dupont Ligne 2 is the brand’s most iconic lighter — known for its balanced rectangular profile, heavy metal construction, and signature "cling" sound. Both the standard and small versions of the Ligne 2 share many traits, but they differ in overall size and weight.

Common Features:

-Flip-open lid with cap-spring mechanism

-Visible flame adjustment wheel and recessed gas refill port under the base

-Traditional flint ignition

-Some models feature a single soft flame, while newer versions include a dual soft flame

-Some models ping ("cling") when opened; others produce a more muted click

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Ligne 2 Standard

Refill Type: Yellow gas (classic soft flame) or red gas (perfect ping)

Key Identifiers:

- ~62 x 37 x 11 mm

-Full-size body with a strong, noticeable weight

-Distinct ping sound on most models

-Visible flame adjustment wheel and recessed gas refill port under the base

-Can be found in a wide variety of finishes — including precious metal plating, Chinese lacquer, and engraved patterns

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Ligne 2 Small

Refill Type: Green gas only (soft flame only)

Key Identifiers:

- ~56 x 32 x 10mm

-Slimmer and slightly shorter than the standard Ligne 2

-Same mechanical design: lift cap, flint wheel, covered refill valve, flame adjuster

-Still solid and weighty, but noticeably smaller in the hand

-Also available in classic Dupont finishes, including gold and silver plate or lacquered designs

Not sure if this is your lighter? Explore the rest of the S.T. Dupont lighters to compare.