![Defender Security U-9912 Chain Door Guard, Brass [SKU: ORG5029194]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/68607/67010/5029194__50432.1692629325.jpg?c=1 "Defender Security U-9912 Chain Door Guard, Brass [SKU: ORG5029194]")
![Defender Security U-9912 Chain Door Guard, Brass [SKU: ORG5029194]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/68607/67010/5029194__50432.1692629325.jpg?c=1 "Defender Security U-9912 Chain Door Guard, Brass [SKU: ORG5029194]")
Product Overview
Plated steel chain and die-cast keepers secures door, Can be unlocked with key from outside or inside, bolt slides into keyed mechanism to lock, Uses B1 keyway, ILCO, Hardened steel chain, For securing door while allowing viewing and ventilation. [QTY/UOM: 1CD / 1CD]
![Defender Security U-9905 Chain Door Guard, Steel, Brass [SKU: ORG6505119]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/68609/67012/6505119__21638.1692629325.jpg?c=1 "Defender Security U-9905 Chain Door Guard, Steel, Brass [SKU: ORG6505119]")
![Defender Security U-9907 Chain Door Guard, Solid Brass, Polished Brass [SKU: ORG1622539]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/78096/76322/1622539__90341.1692632174.jpg?c=1 "Defender Security U-9907 Chain Door Guard, Solid Brass, Polished Brass [SKU: ORG1622539]")
![Defender Security U-10533 Chain Door Guard, Steel, Antique Brass [SKU: ORG3920758]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/18240/18269/3920758__17564.1691779534.jpg?c=1 "Defender Security U-10533 Chain Door Guard, Steel, Antique Brass [SKU: ORG3920758]")
![Defender Security U-10305 Chain Door Guard, Solid Brass, Classic Bronze [SKU: ORG7822596]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/78098/76324/7822596__96830.1692632175.jpg?c=1 "Defender Security U-10305 Chain Door Guard, Solid Brass, Classic Bronze [SKU: ORG7822596]")