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Louis Martin Custom Knives

Reviewed September 2026

Delaware Knife Laws

In Delaware, switchblades are prohibited and butterfly knives are restricted. Carrying any deadly weapon concealed requires a license; folding pocket knives 3 inches or under are exempt. The blade limit to know: 3 inches for the concealed pocket-knife exemption.

Switchblades: Prohibited

Switchblades are prohibited to possess or sell.

Butterfly Knives: Restricted

Not named by statute and untested in Delaware courts; treat it as a gray area and avoid carrying one.

Concealed Carry

Carrying any deadly weapon concealed requires a license; folding pocket knives 3 inches or under are exempt.

Local Ordinances

Delaware has no statewide preemption, so cities and counties can add stricter rules. Check local ordinances before carrying. Also bans undetectable knives, throwing stars, and gravity knives.

Not legal advice. Statuses reviewed September 2026 from state statutes and reputable trackers. Laws change; verify the current statute or consult a lawyer before buying or carrying. See the full 50-state comparison.

Delaware Knife Law FAQ

Are switchblades legal in Delaware?
Switchblades (automatic knives) are prohibited in Delaware. Switchblades are prohibited to possess or sell. Reviewed September 2026; this is general information, not legal advice.
Are butterfly knives legal in Delaware?
Butterfly knives (balisongs) are restricted in Delaware. Not named by statute and untested in Delaware courts; treat it as a gray area and avoid carrying one.
Is it legal to carry a knife in Delaware?
Generally yes, within limits: Carrying any deadly weapon concealed requires a license; folding pocket knives 3 inches or under are exempt. Carrying any knife with intent to use it unlawfully is a crime everywhere.
What size knife can you legally carry in Delaware?
The limit to know is 3 inches for the concealed pocket-knife exemption. Also bans undetectable knives, throwing stars, and gravity knives.

Hand-Forged Knives, Shipped to Delaware

Every Louis Martin blade is hand-forged and ships free anywhere in the US. Start with our pocket knives and everyday carry pieces, browse the full collection, and keep our national knife law guide handy when you travel.