No. 6121 ProSeries Padlock, Anti-Bump

Master Lock, 6121NKALF, 2-1/8in (54mm) Wide ProSeries® Weather Tough® Laminated Steel Rekeyable Pin Tumbler Padlock with 1-1/2in (38mm) Brass Shackle, Keyed Alike, Anti-Bump Cylinder TechnologyFeatures with all optional accessories:Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinderIdeal for harsh outdoor conditions - exclusive Pro Series® Weather Tough®cover protects lock from water, ice, dirt and grimeProSeries® Padlocks are designed for Commercial/Industrial applications2-1/8in (54mm) heavy steel body withstands physical attack1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistanceDual ball locking mechanism resists pulling and pryingHigh security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pickThe Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) 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.Best Used For:Industrial, Storefront & Business GatesTrailers, Vans & Moving TrucksManufacturing EnvironmentsTruck Doors.