Skip to content
Master Lock Logo

High Security

  • Master Lock 6121 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-1/8in (54mm) Wide-Keyed-MasterLocks.com

    Master Lock 6121 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-1/8in (54mm) Wide

    Master Lock
    from $22.16

    The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – featur...

    View full details
  • Master Lock 6125 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-3/8in (60mm) Wide-Keyed-MasterLocks.com

    Master Lock 6125 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-3/8in (60mm) Wide

    Master Lock
    from $25.73

    The Master Lock No. 6125KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – featur...

    View full details
  • Master Lock 6127 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-5/8in (67mm) Wide-Keyed-MasterLocks.com

    Master Lock 6127 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-5/8in (67mm) Wide

    Master Lock
    from $29.93

    The Master Lock No. 6127KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – featur...

    View full details
  • Master Lock 6321 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-1/8in (54mm) Wide-Keyed-MasterLocks.com

    Master Lock 6321 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-1/8in (54mm) Wide

    Master Lock
    from $30.48

    The Master Lock No. 6321KA ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 2-1/8in (54mm) heav...

    View full details
  • Master Lock 6325 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-3/8in (60mm) Wide-Keyed-MasterLocks.com

    Master Lock 6325 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-3/8in (60mm) Wide

    Master Lock
    from $36.06

    The Master Lock No. 6325 ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 2-3/8in (60mm) heavy...

    View full details
  • Master Lock 6327 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-5/8in (67mm) Wide-Keyed-MasterLocks.com

    Master Lock 6327 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-5/8in (67mm) Wide

    Master Lock
    $26.99

    The Master Lock No. 6327 ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 2-5/8in (67mm) heavy...

    View full details
  • Master Lock 7045 ProSeries® Shrouded Solid Steel Rekeyable Padlock 1-3/4in (44mm) Wide-Keyed-MasterLocks.com

    Master Lock 7045 ProSeries® Shrouded Solid Steel Rekeyable Padlock 1-3/4in (44mm) Wide

    Master Lock
    from $35.32

    The Master Lock No. 7045KA ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) heav...

    View full details
  • Master Lock 6271 ProSeries® Reinforced Zinc Die-Cast Hidden Shackle Rekeyable Padlock 2-7/8in (73mm) Wide-Keyed-MasterLocks.com

    Master Lock 6271 ProSeries® Reinforced Zinc Die-Cast Hidden Shackle Rekeyable Padlock 2-7/8in (73mm) Wide

    Master Lock
    from $28.58

    NOTICE: This product has an extended lead time and orders might not ship until September. The Master Lock No. 6271 ProSeries® Hidden Shackle Padl...

    View full details
  • Master Lock 770 9in (23cm) Long Solid Steel Hidden Shackle Padlock Hasp-Other Security Device-MasterLocks.com

    Master Lock 770 9in (23cm) Long Solid Steel Hidden Shackle Padlock Hasp

    Master Lock
    Original price $29.88
    Current price $24.44

    The Master Lock No. 770 Hasp features a 9in (23cm) wide by 4-1/2in (11cm) high solid steel hasp to withstand forcible attacks and defeat att...

    View full details
  • American Lock A700 Solid Steel Rekeyable Padlock, Chrome Plated 2-1/2in (64mm) Wide-Keyed-MasterLocks.com

    American Lock A700 Solid Steel Rekeyable Padlock, Chrome Plated 2-1/2in (64mm) Wide

    American Lock
    from $30.70

    The American Lock No. A700KA Solid Steel Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/2in (64mm) wide case ...

    View full details
  • American Lock A701 2-1/2in (64mm) Solid Steel Rekeyable Padlock, Chrome Plated, with 2in (51mm) Shackle-Keyed-MasterLocks.com

    American Lock A701 2-1/2in (64mm) Solid Steel Rekeyable Padlock, Chrome Plated, with 2in (51mm) Shackle

    American Lock
    from $32.09

    The American Lock No. A701KA Solid Steel Padlock , Keyed Alike – multiple locks open with the same key – features a 2-1/2in (64mm) wide case...

    View full details
  • Master Lock 6230 ProSeries® Solid Steel Rekeyable Padlock 2-1/2in (64mm) Wide-Keyed-MasterLocks.com

    Master Lock 6230 ProSeries® Solid Steel Rekeyable Padlock 2-1/2in (64mm) Wide

    Master Lock
    from $29.16

    The Master Lock No. 6230KA ProSeries® Solid Body Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/2in (64mm) ro...

    View full details
  • American Lock AH10 Solid Steel Rekeyable Blade Tumbler Padlock 2in (51mm) Wide-Keyed-MasterLocks.com

    American Lock AH10 Solid Steel Rekeyable Blade Tumbler Padlock 2in (51mm) Wide

    American Lock
    from $30.63

    The American Lock No. AH10KA Solid Steel padlock, Keyed Alike – multiple locks open with the same key – features a 2in (51mm) wide case hard...

    View full details
  • Master Lock 7040 ProSeries® Solid Steel Rekeyable Padlock 1-3/4in (44mm) Wide-Keyed-MasterLocks.com

    Master Lock 7040 ProSeries® Solid Steel Rekeyable Padlock 1-3/4in (44mm) Wide

    Master Lock
    from $19.92

    The Master Lock No. 7040KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) he...

    View full details
  • Master Lock 7050 ProSeries® Solid Steel Rekeyable Padlock 2in (51mm) Wide-Keyed-MasterLocks.com

    Master Lock 7050 ProSeries® Solid Steel Rekeyable Padlock 2in (51mm) Wide

    Master Lock
    from $23.61

    The Master Lock No. 7050KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 2in (51mm) wide h...

    View full details
  • American Lock A5570 Solid Brass Padlock 2in (51mm) Wide-Keyed-MasterLocks.com

    American Lock A5570 Solid Brass Padlock 2in (51mm) Wide

    American Lock
    from $24.57

    The American Lock No. A5570KA Solid Brass Padlock, Keyed Alike – multiple locks open with the same key – features a 2in (51mm) wide solid br...

    View full details
  • American Lock A5571 2in (51mm) Solid Brass Padlock with 2in (51mm) Shackle-Keyed-MasterLocks.com

    American Lock A5571 2in (51mm) Solid Brass Padlock with 2in (51mm) Shackle

    American Lock
    from $27.17

    The American Lock No. A5571KA Solid Brass Padlock, Keyed Alike – multiple locks open with the same key – features a 2in (51mm) wide solid br...

    View full details
  • American Lock A5572 2in (51mm) Solid Brass Padlock with 3in (76mm)Shackle-Keyed-MasterLocks.com

    American Lock A5572 2in (51mm) Solid Brass Padlock with 3in (76mm)Shackle

    American Lock
    from $27.44

    The American Lock No. A5570KA Solid Brass Padlock, Keyed Alike – multiple locks open with the same key – features a 2in (51mm) wide solid br...

    View full details
  • American Lock AL50 Solid Brass Blade Tumbler Padlock 1-3/4in (44mm) Wide-Keyed-MasterLocks.com

    American Lock AL50 Solid Brass Blade Tumbler Padlock 1-3/4in (44mm) Wide

    American Lock
    from $31.45

    The American Lock No. AL50KA Solid Brass Blade Tumbler Cylinder Padlock, Keyed Alike – multiple locks open with the same key – features a 1-...

    View full details
  • American Lock AL51 1-3/4in (44mm) Solid Brass Blade Tumbler Padlock with 2in (51mm) Shackle-Keyed-MasterLocks.com

    American Lock AL51 1-3/4in (44mm) Solid Brass Blade Tumbler Padlock with 2in (51mm) Shackle

    American Lock
    from $32.98

    The American Lock No. AL51KA Solid Brass Blade Tumbler Cylinder Padlock, keyed alike – multiple locks open with the same key – features a 1-...

    View full details
  • American Lock AL52 1-3/4in (44mm) Solid Brass Blade Tumbler Padlock with 3in (76mm) Shackle-Keyed-MasterLocks.com

    American Lock AL52 1-3/4in (44mm) Solid Brass Blade Tumbler Padlock with 3in (76mm) Shackle

    American Lock
    from $34.82

    The American Lock No. AL52KA Solid Brass Blade Tumbler Cylinder Padlock, Keyed Alike – multiple locks open with the same key – features a 1-...

    View full details
  • Master Lock 6830 ProSeries® Solid Brass Rekeyable Padlock 1-9/16in (40mm) Wide-Keyed-MasterLocks.com

    Master Lock 6830 ProSeries® Solid Brass Rekeyable Padlock 1-9/16in (40mm) Wide

    Master Lock
    from $18.54

    The Master Lock No. 6830KA ProSeries® Solid Body Padlock, keyed alike - multiple locks open with the same key – features a 1-9/16in (40mm) ...

    View full details
  • Master Lock 6840 ProSeries® Solid Brass Rekeyable Padlock 1-3/4in (44mm) Wide-Keyed-MasterLocks.com

    Master Lock 6840 ProSeries® Solid Brass Rekeyable Padlock 1-3/4in (44mm) Wide

    Master Lock
    from $21.89

    The Master Lock No. 6840KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) wi...

    View full details
  • Master Lock 6850 ProSeries® Solid Brass Rekeyable Padlock 2in (51mm) Wide-Keyed-MasterLocks.com

    Master Lock 6850 ProSeries® Solid Brass Rekeyable Padlock 2in (51mm) Wide

    Master Lock
    from $24.92

    The Master Lock No. 6850KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 2in (51mm) wide b...

    View full details