The Master Lock No. 6840 ProSeries® Solid Body Padlock features a 44mm wide solid brass body to provide extra resistance in caustic, corrosive environments and a 30mm tall, 8mm diameter hardened boron alloy shackle for superior cut resistance. Designed for commercial/industrial applications, a dual ball locking mechanism resists pulling and prying and a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

• ProSeries® Padlocks are designed for Commercial/Industrial applications
• 44mm wide brass body provides extra corrosion resistance in caustic, corrosive, salty environments
• 30mm 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