




🔐 Elevate your home security with vintage charm and modern peace of mind!
The PRIME-LINE Defender U 9913 Chain Door Guard is a 3-5/16” solid brass door lock featuring a 6-inch, 8-link welded steel chain and antique brass finish. Designed for easy installation with included fasteners, it offers controlled door access for ventilation and child-safe security, combining durability with classic style to protect your home or office.







| Manufacturer | Prime-Line Products (Home Improvement) |
| Part number | U 9913 |
| Item Weight | 132 g |
| Product Dimensions | 8.41 x 8.41 x 5.08 cm; 131.54 g |
| Item model number | U 9913 |
| Size | 3-5/16 in. |
| Color | Antique Brass |
| Style | Antique |
| Finish | Antique Brass |
| Material | Brass |
| Item Package Quantity | 1 |
| Included components | lock, keeper and fasteners |
| Batteries Included? | No |
| Batteries Required? | No |
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