... button 3.brass cylinder,5 brass keys Black electric lock with push button with cover plate electronic security locks Model item: 1073Black ... body, 1.5mm thickness iron of cap and strike4. With 2mm thickness iron of cover plate 5. Double connected cylinder ... polishing7. Reversible brass deadbolt, 32mm width, polishing 8. Unlock when 12V DC power on, 3A 9. With double high temperature-resistant copper ...