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247 SerrurerieYour security, our priority.

✓ Free quote✓ RNCP certified✓ Response < 30 min✓ Transparent pricing✓ No hidden fees✓ Fast, reliable service across Île-de-France✓ Free quote✓ RNCP certified✓ Response < 30 min✓ Transparent pricing✓ No hidden fees✓ Fast, reliable service across Île-de-France✓ Free quote✓ RNCP certified✓ Response < 30 min✓ Transparent pricing✓ No hidden fees✓ Fast, reliable service across Île-de-France✓ Free quote✓ RNCP certified✓ Response < 30 min✓ Transparent pricing✓ No hidden fees✓ Fast, reliable service across Île-de-France

High-security cylinder in Paris

From €200 excl. tax

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Certified European security cylinder. Anti-picking, anti-bumping, anti-drilling. Strengthen your lock resistance without changing the whole lock.

Ideal after a break-in or to improve your home security. Installation by a qualified locksmith. Free quote.

Included in this service

Certified high-security cylinder
Anti-picking and anti-bumping
Supply and installation included
Manufacturer warranty

Frequently asked questions

A reinforced cylinder resistant to picking, bumping and drilling techniques. Certified models (European standards) offer greater resistance than standard cylinders.

No. A new cylinder means new keys. We usually hand you 4 to 5 keys depending on the model.

Most European locks accept high-security cylinders. We check compatibility when providing the quote.