SENTRY S140 SERIES Maximum Security Solid Brass Padlock Features: • 3 Brass keys • Brass Body and Cylinder • Brass Tongues and Pins • Stainless Steel Shackle Spring • ISO 9001-2015 • Hardened Shackle • Anti -Sawing • Anti-Cutting • Anti-Pick • Anti-Corrosion • Outdoor Environment Model SKU & Sizes: • S140.40 40mm • S140.50 50mm • S140.60 60mm