Yale, inspired by the past, is creating the future of security. With 180 years of manufacturing expertise, we are introducing our padlocks with an exclusive Yale design and tested to EN12320:2012 standard for added security and reassurance, built with you in mind. About this item DESIGNED FOR OUTDOOR EXTREME STORAGE: Helps you secure your boat, trailer, shutter door or any other high-value item you need to stay safe and protected. MAXIMUM PROTECTION: Hardened steel lock with 6-pin cylinder with boron shackle to prevent cuts and double ball lock for added safety. RIGUROSLY TESTED - Tested to EN12320:2012 to simulate attack forms such as sawing and drilling the body, cutting, twisting and pulling the shackle and testing up to 240 hours for corrosion resistance to ensure protection against extreme weather conditions with a CEN rating of 4). KEY RETENTION: The 3 keys available will remain in the lock when opened. Designed for Extreme Outdoor Usage Suitable for a trailer, boat, shed or any other high value items you want to secure outdoors in tougher weather conditions. Yale takes care of your possessions; you take care of the rest. Extreme Testing Tested to EN12320:2012 to simulate forms of attack such as sawing and drilling of the body, cutting, twisting and pulling of shackle and tested up to 240 hours for corrosion resistance to withstand different weather conditions for your peace of mind Enhanced Security With a closed boron shackle to prevent cutting and double locking for added security, you can be assured that your home or business is safe and secure.