No. 1525 Combination Padlock with Key Control Feature

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Product options:
Have an existing key number?
Note: Option only available for Keyed Alike models (More Info)

Schools can place their orders with a Purchase Order using our 1502/1525 Order Form:  

Over 10,000 In Stock and Ready to Ship! 
Free Shipping, Free Combination Charts, and Two Free Keys On All 1525 Orders $30.00 or more.

The Master Lock No. 1525 3-digit combination padlock includes key control for supervisory access along with many enhanced security features like the exclusive BlockGuard® Anti-Shim technology, hardened steel shackles and double-reinforced stainless steel casing. Designed to fit lockers with a padlock eye of at least 5/16in (8mm) diameter, these locks provide multiple customization options to fit your needs.

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    • Features

      • Patented BlockGuard® Anti-Shim Technology withstands attempts to violate the latch mechanism
      • Includes combination chart to facilitate lock system administration
      • K1525 Control key for supervisory access; specify key to match existing system or factory assigned
      • 1-7/8in (48mm) wide double-reinforced stainless steel body withstands abuse
      • 3/4in (19mm) tall, hardened steel shackle for extra cut resistance
      • Easy 3-number dialing with automatic scrambling feature to prevent reopening of 1525 lock
      • Optional color dials, customized dials, locks sold in groups of combinations, back case printing, and Simple Combo™ combinations - see Catalog for details


      Product TypeCombination Padlock with Key Control Feature
      Shackle Diameter (A)9/32" (7mm)
      Shackle Clearance (B)3/4" (19mm)
      Shackle Width (C)13/16" (21mm)
      List Price$9.13
      ManufacturerMaster Lock
      Weight0.39lbs (177g)
      Standard CylinderCombination
      Keying TypeKey Control
      Body Width1-7/8" (48mm)
      Key RetainingNo


      Product Schematic for 1525
  1. File Date Added File Size Instructions
    Lock Chart Request April 10, 2015 101732 Bytes 149 Instructions
    Locker Lock Order Form July 28, 2017 0 Bytes 11 Instructions
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