https://locksandhandles.co.uk/product/ex-chubb-union-3k74-13mm-mortice-sashlock-rebate-kit/
(Ex Chubb) Union 3K74 13mm Mortice Sashlock Rebate Kit - Locks and Handles
Jan 10, 2026 - Rebates to suit Union (ex Chubb) 3K74, 3K74E and 3K75 Sashlocks
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https://multipointlocks.co.uk/era-fortress-rebate-kit
ERA Fortress Sashlock Rebate Kit | uPVC Door Lock Specialists | MPL
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