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All-in-one Master Lock No. 3 Laminated Steel Padlock, 9/32 Inches Dia, 5/8 Inches W X 3/4 Inches H Shackle, Silver/gray, Keyed Alike, Keyed 3991 - 6 Per Box - 3ka3991 Up To 35% Off [ckaReU7P]

$27.99 $89.99 -69%

Non-rekeyable W1 cylinder or Universal Pin. 6 per BOX laminated steel body for superior strength. Hardened steel shackles for extra cut resistance. Proprietary rustproofing for longer life. Commercial grade padlocks feature superior protection from

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  • Non-rekeyable W1 cylinder or Universal Pin. 6 per BOX laminated steel body for superior strength.
  • Hardened steel shackles for extra cut resistance.
  • Proprietary rustproofing for longer life.
  • Commercial grade padlocks feature superior protection from drilling and prying.
  • Dual ball bearings locking for maximum pry resistance making it ideal for industrial applications.
  • Body Material=Laminated Steel.
  • Body Width=1-9/16 in.
  • Code Format=3991.
  • Color=Silver; Gray Bumpers.
  • Combination/Keying=Keyed Alike (KA).
  • Material=Rubber Bumpers.
  • No.
  • of Pins=4.
  • Shackle Diam [Nom]=9/32 in.
  • Shackle Inner Height [Nom]=3/4 in.
  • Shackle Inner Width [Nom]=5/8 in.
  • Shackle Material=Hardened Steel.
  • Type=Non-Rekeyable; W1 Cylinder.
  • Non-rekeyable W1 cylinder or Universal Pin. laminated steel body for superior strength.
  • Hardened steel shackles for extra cut resistance.
  • Proprietary rustproofing for longer life.
  • Commercial grade padlocks feature superior protection from drilling and prying.
  • Dual ball bearings locking for maximum pry resistance making it ideal for industrial applications.
.

What Our Customers Say

January 3, 2026

Absolutely no complaints!

The performance is consistently very, very great.

- Ninian I..

January 3, 2026

Absolutely no complaints!

This is a very fine piece of consumer grade hardware.

- Gwenno W..

January 3, 2026

Absolutely no complaints!

An excellent product. It is extremely so powerful.

- Cai W..

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