Our Laminated Locks Feature Padlocks Made From High-Quality Steel to Form a Unique Blend of Strength, Durability & Weather Resistance. Laminated Steel Locks Include the Master Lock Pin Tumbler Padlocks - Master's Popular No. 1, No. 3, No. 5 & No. 7 Series - In Addition to its Magnum Series Padlocks. We also carry Abus Laminated Steel Locks 41/30, 41/40, 41/45 & 41/50.