Security Padlocks 49 Heavy, hardened steel bodied padlocks with chrome rustproofing for high-security applications. With hardened boron alloy shackles. ] ] Re-keyable cylinder ] ] Shrouded shackle versions available Solid Steel Padlocks  KEYING OPTIONS These padlocks are available in: ] ] Keyed Alike ] ] Keyed Different ] ] Master Keyed KA/KD  Solid Steel Padlock Solid Steel Padlock Solid Steel Padlock Specifications ML-7030 ML-7040 ML-7050 Shackle Diameter (A) 6mm 8mm 9mm Shackle Height (B) 28mm 31mm 39mm Clearance (C) 20mm 23mm 23mm Body Width (D) 40mm 44mm 48mm Body Height (E) 44mm 44mm 48mm Solid Steel Premium Padlocks These American Lock (by Master Lock) metal padlocks provide high security and durability. Both types feature a dual ball locking mechanism that resists pulling and prying. ] ] Steel padlocks are ideal for marine environments and harsh weather conditions Solid Steel Padlock Solid Steel Padlock Solid Steel Padlock Solid Steel Padlock Specifications ML-A5400 ML-A5401 ML-A5460 ML-A5461 Shackle Diameter (A) 8mm 8mm 9mm 9mm Shackle Height (B) 30mm 54mm 29mm 51mm Clearance (C) 20mm 20mm 20mm 20mm Body Width (D) 44mm 44mm 51mm 51mm Body Height (E) 46mm 46mm 51mm 51mm  KEYING OPTIONS These padlocks are available in: ] ] Keyed Alike ] ] Keyed Different ] ] Master Keyed KA/KD 