Package Included: 1 x Safety Key Box Lock 1 x Nail 1 x User's Manual Features: Material: Zinc Alloy Size: Approx. 6.5 x 3.5 x 17cm/2.56 x 1.38 x 6.69'' Inner box: Approx. 4.2 x 7 x 2.4cm/1.65 x 2.76 x 0.94'' Ideal for storing keys, access cards securely 4-digit dialing allows for different combinations Combination can be reset as often as you choose You can put keys length less than 70mm Can be used as key storage box for home, office, factory, caravan etc How To Set Password: Put the code to 0-0-0-0 (factory default is 0000) Pull up the lock hook, then turn clockwise 180 degree Press the hook until cannot press Keep pressing on the hook and turn code wheel to set the your password After setting the password, lift up the hook and turn back to original position