




🔐 Lock down your peace of mind with sleek, solid security.
The PRIME-LINE Defender Security U 9551 is a solid alloy steel door reinforcer designed to prevent forced entry by strengthening the latch area of 1-3/4 inch thick doors. Featuring a precise fit for doors with a 2-1/8 inch bore and 2-3/8 inch backset, it includes all necessary hardware and pre-punched holes for easy installation. Its durable stainless steel finish ensures long-lasting protection, making it a top-rated choice for residential and commercial door security.



























| ASIN | B000OFTIL8 |
| Additional Features | Anti-Forced Entry |
| Best Sellers Rank | #175,488 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #837 in Door Latches & Bolts |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Color | Stainless Steel |
| Country of Publication | USA |
| Customer Reviews | 4.4 out of 5 stars 1,061 Reviews |
| Finish Types | Stainless Steel |
| Global Trade Identification Number | 00049793195517 |
| Included Components | Lock and Door Reinforcer |
| Item Dimensions | 9.8 x 4.4 x 22.9 centimeters |
| Item Type Name | Lock and Door Reinforcer |
| Item Weight | 0.8 Pounds |
| Item dimensions L x W x H | 9.8 x 4.4 x 22.9 centimeters |
| Lock Type | Deadbolt |
| Lock type | Deadbolt |
| Manufacturer | Prime-Line Products |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | U 9551 |
| Recommended Uses For Product | Reinforcing entry doors in residential and commercial buildings to prevent forced entry |
| Recommended uses for product | Reinforcing entry doors in residential and commercial buildings to prevent forced entry |
| Shape | shape |
| Special features | Anti-Forced Entry |
| Style Name | Slip On |
| UPC | 049793195517 |
| Unit Count | 1 Count |
A**R
Measure the hole first from edge to center and see if it is the right one!
It was to short did not reach the pad lock hole no good for me,measure from edge of door to center of hole does not measure the same at all sorry it stainless steel nice nothing els to say sorry
A**R
de excelente calidad
Cumplio las expectativas de mi compra y es un producto de excelente calidad
R**S
good quality
really made a big difference on my garage
M**Y
Simple
It does its job well ,good thickness but doesnt interfere so its a win
W**L
Good deal
Good deal
ترست بايلوت
منذ 3 أيام
منذ يومين