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The Prime-Line U 9972 is a robust double cylinder deadlock crafted from diecast steel with a corrosion-resistant brass finish. Designed for hinged entry doors 1-3/8 to 2-3/8 inches thick, it features a jimmy-resistant mechanism and tamper-proof shutter guard to prevent forced entry. Easy to install with basic tools, it includes all necessary hardware and two keys, delivering professional-grade security with a sleek, durable look.



























| ASIN | B000BD8ISW |
| Additional Features | Scratch-Resistant |
| Best Sellers Rank | #138,897 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #501 in Deadbolts |
| Brand Name | PRIME-LINE |
| Color | Brass |
| Controller Type | Ring |
| Customer Reviews | 4.2 4.2 out of 5 stars (508) |
| Finish Types | Brass |
| Global Trade Identification Number | 00049793099723 |
| Included Components | Deadlock, keeper, 2 keys and fasteners |
| Item Dimensions | 1 x 4.31 x 2.87 inches |
| Item Type Name | Prime-Line U 9972 Jimmy-Resistant Deadlock, Diecast, Brass Color, Angle Strike, Double Cylinder (Single Pack) |
| Item Weight | 0.01 Ounces |
| Lock Type | Key Lock |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Manufacturer Part Number | U 9972 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material Type | Diecast |
| Model Name | Jimmy-Resistant Deadlock, Diecast, Brass Color, Angle Strike, Double Cylinder |
| Model Number | U 9972 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Securing hinged entry doors and preventing forced entry on doors from 1-3/8 in. to 2-3/8 in. thick |
| Shape | D Shape |
| Smart Home Compatibility | Not Smart Home Compatible |
| Style Name | Double Cylinder |
| UPC | 049793099723 |
| Unit Count | 1.0 Count |
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