This Yale Locks High Security Laminated Steel Padlock has the following specifications: Body Width: 56mm. Body Height: 53mm. Body Depth: 32mm. Shackle Diameter: 9mm. Shackle Height: 30mm. Shackle Width: 22mm. The Yale Locks High Security Laminated Steel Padlocks are double locking and feature hardened steel shackles to prevent cutting. The hard wearing laminate construction with anti corrosive internal components makes them ideal for outside use. Suitable for a garden shed, gate or any other outdoor high value items you want to keep safe and secure. Tested to EN12320:2012 for different forms of attack such as cutting, twisting and pulling of the shackle. Tested up to 120 hours for corrosion resistance to ensure protection against weather conditions. Tested to 10,000 cycles (opening and closing) for optimum performance. 50mm