of security at a reasonable price. We carry a full line of Medeco products to protect your home or office. Double Cylinder Deadbolt Maxum Deadbolts Maxum deadbolts exceeded the toughest... to drilling Maxum exceeds both Grade 1 and Grade 3. Cylinder meets UL Standard 437 They copy your key Medeco's patented Biaxial system means it is almost impossible for someone to gat... pickproof. They are the standard for high security locks Medeco cylinder meets UL Standard 437. No ANSI tests. Information Request Form Select the items that apply, and then let...