The yale high security weatherproof padlocks are high security anti cut shackle padlocks which offer ultimate cut resistance with anti pick properties they are great for protection and outdoor applications features anti cut boron shackle for maximum cut resistance anti pick 5 pin cylinder weatherproof jacket with keyway cover double ball locking for pullpry resistance corrosion tested tested to en 123202012 upgraded key way for additional corrosion protection 3 keys provided