Medeco - 11JC623 - Maxum Commercial - M3 BiLevel - 6-Pin - Double Deadbolt - 2-3/8" - DL Keyway Pinned - 05 - Bright Brass - Grade 1 Powered If you are working on

If you are working on any other year model GM you must try every key BOTH SIDES until you find a key that works

After proper installation

80% control for protection

If you select a key and see that both “Line 1 Y Pos:” and “Line 2 Y Pos:” at the top right of the Engraving window are set to “0” Then you will have to use the numbers found on the Engraving Jaw

Medeco - 11JC623 - Maxum Commercial - M3 BiLevel - 6-Pin - Double Deadbolt - 2-3/8" - DL Keyway Pinned - 05 - Bright Brass - Grade 1 Powered If you are working on11JC623 05 The Medeco features: Grade 1 Double Cylinder Deadbolt BiLevel 6 Pin Double Cylinder w 2 Keys & Card 2 3 8" Backset Round Front Deadbolt Door thickness: 1 3 8" 2 1 2" Finish: Bright Brass Keyed on Both Sides Solid brass collar spins under pressure to prevent wrench attacks. Steel shroud over bolt protects against ice pick type attacks. High security strike plate Hardened steel bolt and bolt throwing mechanism UL listed The Maxum Deadbolt is