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Master Lock®

1-9/16-Inch Blue Covered Laminated Steel Padlock


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* Estimated stock levels as of Mon, Feb 26, 2024. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

  • Blue weather resistant thermoplastic shell provides outdoor protection against moisture, dirt & grime
  • 1-9/16in (40mm) Wide laminated steel body for superior strength
  • Hardened steel shackle for extra cut resistance
  • Dual ball bearing locking for maximum pry resistance
  • 4-pin cylinder helps prevent picking


The Master Lock No. 312D Laminated Padlock features a 1-9/16 in (40mm) wide laminated steel body for maximum strength and reliability. The 9/32 in (7mm) diameter shackle is 1-1/16 in (27mm) long and made of hardened steel, offering extra resistance to cutting and sawing. A blue weather resistant thermoplastic shell is designed to add protection against moisture, dirt and grime. The 4-pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.



Body Material Steel
Body Width 1-9/16 in
Color Blue
Pin Type Cylinder
Shackle Diameter 9/32 in
Shackle Height 1-1/16 in
Shackle Material Hardened Steel
Shackle Width 5/8 in
Type Padlock


Size 1-9/16 in

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