The Master Lock No. 6121 ProSeries Weather Tough Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Product Features:

• Ideal for harsh outdoor conditions – exclusive Weather Toughcover protects lock from water, ice, dirt and grime
• ProSeriesPadlocks are designed for Commercial/Industrial applications
• 2-1/8in (54mm) heavy steel body withstands physical attack
• 1-1/8in (29mm) tall, 5/16in (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

Shackle Dimensions:

A: 5/16in (8mm)
B: 1-1/8in (29mm)
C: 7/8in (22mm)

Click Here to Download Master_Lock_Door_Hardware_Catalog

Cylinders Available

Master Lock 4 Pin M1 Keyway

Master Lock 5 Pin W27 Keyway

Master Lock Pro Series 6000k Zero-Bitted

Master Lock Pro SeriesZero-Bitted 1k

Master Lock Pro Series 27k Zero-Bitted

Master Lock Pro Series 15k Zero-Bitted