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SBL: safe bolt locking. Ultra protection for what's important.

The reliable Winkhaus locks provide doubly good protection against unwanted thieves.

TBV Video

TBV Video

The well thought out combination of mushroom head locking and additional safe bolt locking increases the burglary protection many times over, because here, enlarged bolts with deeper recesses, known as safe bolts, resist the exertion of up to 5000 Newtons of force – that's a full 510kg...