The Ocean and Earth Surf Lock is more calming than my anxiety meds, regardless of what my doctor says. Heavy duty toughened steel, big storage area that fits most keys (check measurements below) and some weather sealing to keep rain, salt and grit out of the mechanism of your key. There are many key safes on the market but the O+E Surf Lock is our pick. <br> <h2><strong>Ocean and Earth Key Safe Surf Lock Features:</strong></h2> <ul> <li><strong> Dial code combination locking </strong></li> <li> <strong> Large key storage area</strong> - 69mm wide x 74mm high x 22mm deep</li> <li> <strong> Hardened Steel: </strong>heavy duty<br> </li> <li> <strong> Weatherproof: </strong>made to lasting</li> </ul>