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Commercial-Grade storefront Door Lock Cylinder for Aluminum Doors, Ideal for Shop Door Lock Replacements. Includes 1 Set in Silver Finish. Pacific Doorware Keyed Alike Mortise Lock Cylinder …

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Find out how cylinder locks work, read a brief history of cylinder locks and learn what are the different cylinder lock types on the market.

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If you’re looking to change the lock on an external door, read on to find out which type of cylinder will best meet your home security needs. What’s a cylinder for? The cylinder is an essential part of a …

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In today’s guide, we will answer all your questions about cylinder locks. Whether you want to know the definition, how it works, or the types, you’ll find it all here.