Concertina is a razor-bladed defensive array. Resistant to cutting by ordinary tools, it's an ideal product to fight against intrusions or vandalism.

Concertina is an agressive obstacle used to protect sensitive sites like prisons, military zones, industrial spaces and some residential zones.

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Among a various range of razor wire, Barbelé-sécurité.com offers concertinasingle razor wire - BTO 22.

Concertina single razor wire – BTO 22 consists of a steel wire on which sharp blades are regularly arranged. It consists of a circle of variable diameter and is packaged in concentric loops.

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Also available in single version - BTO 60.