Portable 4 Digit Code Zinc alloy Lock Safe Combination Luggage Password Lock Padlock Suitcase Travel Luggage Boxes SafetyFeatures: Durable zinc alloy body Ideal for Luggage, lockers and other Security applications Travel smart combination lock No keys needed Operating Instructions: 1. The initial password is 0 0 0 0, check the 0 0 0 0 aim at the indication line. Pull out the shackle. 2. Turn the shackle 90, then press down the shackle, turn the dials to set your combination 3. Pull out the shackle return to regular position 4. Now your personal combination is set,