This ABUS 64TI/50 TITALIUM(tm) Padlock and has the following specification: ABUS Security Level: 5. Keyed Alike Key Reference: KA6512. Shackle Width: 28mm. Shackle Height: 29mm. Shackle Diameter: 8mm. Overall Width: 50mm. Overall Height: 77mm. Overall Depth: 17mm. The ABUS 64TI Series TITALIUM(tm) Padlocks are ideal for medium to high risk of theft, recommended for a wide range of security requirements. All models in this series have a paracentric keyway and chrome plated cylinder cores. Hardened steel shackle, 30mm and above, with NANO PROTECT(tm) shackle coating which assures security and high corrosion resistance. TITALIUM(tm) is based on a special aluminium alloy, a mixture of materials is created which is extremely durable and lightweight; similar to the pro.