High Security Padlocks Security Rating: 4-6 Good to high security for general purpose applications. Lockwood High Security 334 Series Brass Case Padlocks Lockwood High Security 334 Series Shrouded Steel Case Padlocks Lockwood High Security 334 Series Stainless Steel Case Padlocks Lockwood High Security 334 Series Steel Case Padlocks Lockwood Stainless Steel Cylindrical 130 Series High Security PadlockA 70mm cylindrical stainless steel padlock designed for h…