Detroit Locksmith Home About us Residential Commercial Free estimate Contact us Emergency Services Locksmith Services Auto / Car Locksmith Residential Locks Commercial Locks Alarm Systems CCTV Access Control Intercom Systems Phone Systems Search: Hardware & Accessories 480 security door chain Back To: Hardware & Accessories Products Heavy duty polished cast brass and bronze. Interlocking the chain with the doorplate permits the door to be slightly opened to allow viewing while maintaining security. Home About us Residential Commercial Estimate Contact us © 2024 All rights reserve. Locksmith| Phoenix locksmith| Houston locksmith| Seattle locksmith| Locksmith Detroit