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Customize your padlocks to meet your specific needs with the <b>Master Keyed System</b>. A Master Key opens all the locks in the system although each lock has its own unique key, allowing tailored security solutions for your applications.<br><br><b>Notes:</b><ul style="margin-top:0px; padding-top: 5px; padding-bottom: 5px;"><li>All Padlocks with a Master Keyed System are NOT returnable</li><li>Master Keyed Locks may only be purchased through an official business or organization account</li><li>Please indicate if the lock is a <b>New</b> or an <b>Existing</b> key system by selecting "Locker Lock" in the drop-down field. </li><li>If you have an Existing key system, the Master Key number must be specified in Key Number field.</li></ul>Master Key sold separately. Order the <strong><a href="https://www.globalindustrial.com/p/storage/lockers/locks/k6000-control-key-for-5-pin-cylinder-padlocks" title="Global has a wide variety of locks, Master Locks, Lockers Locks, Combination Locks, Padlocks, Bike Locks, Cable Locks at great prices.">Master Key here</a></strong>.<br><br>

Master Lock&#174; No. 6121MKLN High Security Weather Resistant Covered Padlocks w/ Master Key System

high-security-weather-resistant-covered-padlocks-with-master-key-system-6121ln

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Master Lock® No. 6121MKLN High Security Weather Resistant Covered Padlocks w/ Master Key System - Pkg Qty 24