Master Lock 6620 Pro-Series Wide Weather Tough Rekeyable Key-in-Knob Padlock

SKU # MA6620

The Master Lock No. 6621,6627 ProSeries® Weather Tough® Covered Laminated Padlock features a heavy steel body to withstand physical attack and a hardened boron alloy shackle for superior cut resistance. Padlock is supplied without cylinder to match this padlock to 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.



  • Ideal for harsh outdoor conditions - exclusive Weather Tough® cover protects lock from water, ice, dirt and grime
  • 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 to key at your facility.
  • Cylinders sold separately
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