Zinc Alloy Coded Lock four Dial Digit Password Lock Suitcase Luggage Code Password Lock Padlock Specifications: Material: Zinc Alloy Color: Black Size: approx. 80*40*13mm/3.14*1.57*0.51'' Operation Manual: Step 1: Leave dials at the opening combination 0-0-0-0 and pull out shackle. Step 2: Turn shackle 90°and press down as a long way because it will go. But before press down the shackle, please be aware that the key means at the shackle should align as much as the notch at the lock body. Step 3: Holding shackle pressed and set the dials for your personal combination. Step 4: Release shackle and return to steady position. Your new lock will now open in your personal combination. To reset a brand new combination, please repeat step 1 to four above. Please remember your new combination. Note: Please allow 1-3mm differs due to handbook measurement. Due to the several demonstrate and different light, the picture won't replicate the actual color of the item. Thanks for your understanding. 1 x Digit Password Lock