Master Lock 6720 Pro-Series Wide Shrouded Rekeyable Key-in-Knob Padlock

SKU # MA6720

The Master Lock No. 6721, 6727 ProSeries® Weather Tough® Shrouded Padlock features heavy steel body to withstand physical attack and a hardened boron alloy shackle for superior cut resistance. Padlock is supplied without cylinder to key to use cylinders that match your security door locks. The exclusive cover protects from water, ice, dirt and grime.

G.S.A. Contract Holder
This item is available on our
GSA contract # 47QSWA19D001W
Pricing varies based on options selected below.



  • Iron shroud protects shackle from bolt cutters
  • ProSeries® Padlocks are designed for Commercial/Industrial applications
  • Heavy steel body withstands physical attack
  • Hardened boron alloy shackle for superior cut resistance
  • Dual ball locking mechanism resists pulling and prying
  • Lock supplied without cylinder.
  • Cylinders available separately
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