The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 54mm wide heavy steel body to withstand physical attack and a 29mm tall, 8mm diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements and a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

• Ideal for harsh outdoor conditions - exclusive Pro Series® Weather Tough® cover protects lock from water, ice, dirt and grime
• ProSeries® Padlocks are designed for Commercial/Industrial applications
• 54mm heavy steel body withstands physical attack
• 29mm tall, 8mm diameter hardened boron alloy shackle for superior cut resistance
• Dual ball locking mechanism resists pulling and prying
• High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick