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Continue to ChatKL-FSB-2S-12.7-4-D - Brass, Retracted Bolt length 12.7mm, 3 Locks, Double Key, Castell, FS Type, KL Dual Key Interlock https://www.concretespares.ie/product/kl-fsb-2s-12-7-4-d-brass-retracted-bolt-length-12-7mm-3-locks-double-key-castell-fs-type-kl-dual-key-interlock/