Master Lock, 6850MKLJW7000WAL, ProSeries Solid Brass Rekeyable Pin Tumbler PadlockFeatures:ProSeries Padlocks are designed for Commercial/Industrial applications2in (51mm) wide brass body provides extra corrosion resistance in caustic, corrosive, salty environments1-1/2in (38mm) tall, 3/8in (9mm) diameter hardened boron alloy shackle for superior cut resistanceDual ball locking mechanism resists pulling and pryingHigh security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pickMK - Master Keyed: In a Master Keyed system, a master key opens all the locks in the system although each lock also has its own unique key. This permits organizing master key systems along departmental or other functional lines to allow supervisory or emergency access.Tail 2-3/8" - 2-1/2" (60mm - 64mm)W7000 - 6-pin W7000 Cyl.LZ - Laser Engraved in 1 Area: Master Lock and American Lock safety padlocks provide more customization with the option of laser engraving on most safety padlocks. Laser engraving allows you to permanently identify employee information on padlocks such as employee number, employee name, department number, company name, company logo & more.The Master Lock No. 6850 ProSeries Solid Body Padlock features a 2in (51mm) wide brass body for extra corrosion resistance in caustic, corrosive environments and a 1-1/2in (38mm) tall, 3/8in (9mm) 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.Unit of MeasurePack of 6 pcs.