The Master Lock Commercial Magnum® No. M1KASTS Laminated Steel Padlock with Stainless Steel Body Cover, Keyed Alike - features a laminated steel body encased in a stainless steel body cover for maximum strength and weatherability.
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The Master Lock No. 5425D Wall Mount Light-Up Dial Lock Box features a 2-7/8in (72mm) wide metal body for durability. The wall mount design offers permanent installation. The large, easy to read light-up dials, combined with resettable combination functionality, provide a secure storage location for spare keys and access cards.
Master Lock Bluetooth® padlocks make life simple. Your phone is the key. No physical key to lose and no combination to forget.
View how to get started using your Master Lock Bluetooth® Padlock.
Instructions on how to register and add your Master Lock Bluetooth® Padlock to your Bluetoothenabled device.
Instructions on how to grant a guess access to your Master Lock Bluetooth® Padlock.
Instructions for unlocking your Master Lock Bluetooth® Padlock in Touch Mode.
Instructions for changing the Unlock Mode on your Master Lock Bluetooth® Padlock.
Instructions for unlocking your Master Lock Bluetooth® Padlock in Swipe Mode.
Instructions on how to recognize low battery notifications on your Master Lock Bluetooth® Padlock.
Instructions on how to replace the battery in the Master Lock Bluetooth® Padlock Indoor Model No. 4400D.
Instructions on how to replace the battery in the Master Lock Bluetooth® outdoor Model No. 4401DLH.
Instructions on how to unlock the Master Lock Bluetooth® Padlock Indoor Model No. 4400D with an external battery.
Instructions on how to unlock the Master Lock Bluetooth® Padlock Outdoor Model No. 4401DLH with an external battery.
Instructions on how to send temporary codes to access to your Master Lock Bluetooth® Padlock.