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Master Lock - Padlocks, Locker Locks and Security Hardware
Master Lock is recognized around the world as the authentic, enduring name in padlocks and security products. Since their founding in 1921, they have worked hard to earn and maintain the trust of their customers by delivering on their promise of strength and quality and by continually setting new standards for lock design, application and performance. Master Lock is the oldest of the companies now operating under the Fortune Brands Home & Security umbrella. As the largest global manufacturer and marketer of padlocks, they continue to build their founder’s passion for innovation, quality, and compelling value into their expanding lines of security solutions.
The Master Lock lines we carry offer robust, secure solutions for the education, healthcare, facilities management and corrections markets. They are not limited to padlocks, but also include locker locks, door accessories, key blanks, keying kits, pins, special keys, and tools.

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Master Lock No. M1XDLFHC Magnum Laminated Steel Padlock
SKU # MA/M1XDLFHCUS$10.82 -
Master 3630-0320 Extension Kit
SKU # MA/3630-0320US$4.29 -
Master Lock NSN 5340-00-406-6496 Padlock
SKU # MA/5340-00-406-6496US$1,490.57 -
Master Lock NSN 5340-00-292-0906
SKU # MA/5340-00-292-0906US$1,226.14 -
Master Lock NSN 5340-00-292-0904 Padlock
SKU # MA/5340-00-292-0904US$746.82 -
Master Lock NSN 5340-00-292-0902 Padlock
SKU # MA/5340-00-292-0902US$339.40 -
Master Lock NSN 5340-00-291-4214 Padlock
SKU # MA/5340-00-291-4214US$246.64 -
Master Lock NSN 5340-00-291-4213 Padlock
SKU # MA/5340-00-291-4213US$126.50 -
Master Lock NSN 5340-00-291-4212 Padlock
SKU # MA/5340-00-291-4212US$725.93 -
Master Lock NSN 5340-00-291-4211 Padlock
SKU # MA/5340-00-291-4211US$485.15 -
Master Lock NSN 5340-00-291-4210 Padlock
SKU # MA/5340-00-291-4210US$1,202.46 -
American Lock A850 Heavy Duty 90 Degree Bar Hasp
SKU # MA/A850US$10.55 -
Master Lock NSN 5340-01-484-8654 Padlock
SKU # MA/5340-01-484-8654US$70.14 -
Master Lock NSN 5340-01-437-0630 Padlock
SKU # MA/5340-01-437-0630US$160.03 -
Master Lock NSN 5340-01-437-0627 Padlock
SKU # MA/5340-01-437-0627US$630.92 -
Master Lock NSN 5340-01-437-0625 Padlock
SKU # MA/5340-01-437-0625US$104.95 -
Master Lock NSN 5340-01-408-8452 Padlock
SKU # MA/5340-01-408-8452US$175.33 -
Master Lock NSN 5340-01-178-5983
SKU # MA/5340-01-178-5983US$358.65 -
Master Lock 6271KAMK Hidden Rekeyable Van Door Padlock
SKU # MA/6271KAMKUS$27.39 -
Master Lock NSN 5340-00-291-4209 Padlock
SKU # MA/5340-00-291-4209US$963.35 -
Master Lock NSN 5340-00-291-4207 Padlock
SKU # MA/5340-00-291-4207US$1,441.55 -
Master Lock NSN 5340-00-291-4204 Padlock
SKU # MA/5340-00-291-4204US$2,403.55 -
American Lock A535 Heavy Duty Centered Hole Hasp
SKU # MA/A535US$9.02 -
Master Lock 429 OSHA Aluminum Compliance Safety Lockout Hasp
SKU # MA/429-HASPUS$7.40
