Master Lock 6830LF The Master Lock No. 6830LF ProSeries® Solid Body Padlock features a 1-9/16in (40mm) wide solid brass body to provide extra resistance in caustic, corrosive environments and a 1-9/16in (40mm) tall, 1/4in (6mm) 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. Model # 6830LF, 6830KALF, 6830MKLF, 6830KAMKLF Body Width 1-9/16in (40mm) Shackle Length 1-9/16in (40mm) Shackle Width 25/32in (20mm) Shackle Diameter 1/4in (6mm) Key Options Keyed Different, Keyed Alike (KA), Master Keyed, Keyed Alike Master Keyed,= Click HERE for additional key information. Color Options Brass - 6830LF, 6830KALF, 6830MK, 6830KAMK ProSeries® Padlocks are designed for Commercial/Industrial applications 1-9/16in (40mm) wide solid brass body provides extra resistance in caustic, corrosive environments 1-9/16in (40mm) tall, 1/4in (6mm) 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 BEST USED FOR: OUTDOORS Marine & Offshore Security Security Gates & Fences