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F6 Extra S3

The ISEO F6 Extra S3 Euro Lock Cylinder is a Sold Secure approved Euro cylinder.

F6 Extra S3 the new serrated key profile cylinder has been specifically designed by ISEO to satisfy the highest security standards request by United Kingdom and Ireland market.

This cylinder is bumping, snapping and picking resistant and it is suitable to manage the accesses of houses, residential buildings and small business.

Its special design, is certified by some of the most important trade certification bodies in the United Kingdom.

In case of a manual attack (snapping), the cylinder will break at the intended point thanks to the sacrificial cuts.

Inside the cylinder there is also a trap, which is triggered in case of manual attack.