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Prime-Line U 11442 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Polished Brass (Single Pack)
✅ In stock
F
Grade
Analysis Confidence
55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 27, 2026 1:17 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The retail sticker price has been slashed by 50% — a steep markdown from the official listing.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓KEEP YOUR HOME SAFE: Designed to withstand 800 lbs. of force, this U 11442 polished brass finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe
✓EASY INSTALLATION: The included 3 inch hardened screws make installation a breeze extra security and peace of mind can be achieved in just minutes. Watch the video on this page for installation tips and operating instructions
✓ADDITIONAL HOME SECURITY: Use this high security door reinforcement lock on any swing-in door of any thickness. It helps to ensure any door cannot be opened from the outside
✓CHILD-SAFE AND TAMPER-RESISTANT: The spring-loaded design can be installed at a higher level, to ensure it is child-safe. Plus, while locked, this tamper-resistant door latch protects against the door being kicked in, lock picking and bumping
✓PRE-DRILLING REQUIREMENTS: The included 3 inch security screws require holes to be pre-drilled with 1/8 inch drill bit. Do not use a drill driver with max torque setting to install the 3 inch screws as you can strip or break the heads. Some doors may require mortising. Additional mortising may be required to fit your door
✓NOTE - You may wish to purchase the MP114428 high security finger pull, designed to make opening this lock easier
⚙️ Specifications
Brand
PRIME-LINE
Special Feature
Tamper Resistant
Lock Type
Door Reinforcement Lock
Item dimensions L x W x H
1.55 x 3.75 x 6.35 inches
Material
Aluminum, Brass
Brand Name
PRIME-LINE
Recommended Uses For Product
Home security enhancement, preventing forced entry, use on swing-in doors
Number of Pieces
1
Included Components
Lock, Mounting hardware
Model Number
U 11442
UPC
049793714428
