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YALE Y221B/52/125/1 - Brass Closed Shackle Padlock (51mm) - Black Outdoor Weatherproof Lock for Chain, Door, Gate, Toolbox - 3 Keys - HIGH Security : Amazon.co.uk: DIY & Tools
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Review: Yale's Assure Lock SL is an awesome HomeKit-enabled smart lock with room to grow [Video] - 9to5Mac
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