--- product_id: 281703615 title: "U 11441 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Red Bronze (Single Pack) | Add Extra High Security, Prevent Unauthorized Entry, 3 in. Stop, Solid Brass Construction" brand: "prime-line" price: "€ 41.31" currency: EUR in_stock: true category: "Prime Line" url: https://www.desertcart.gr/products/281703615-u-11441-door-reinforcement-lock-add-extra-high-security-to store_origin: GR region: Greece --- # Tamper-resistant & child-safe 3-inch hardened screws 800 lbs force resistance U 11441 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Red Bronze (Single Pack) | Add Extra High Security, Prevent Unauthorized Entry, 3 in. Stop, Solid Brass Construction **Brand:** prime-line **Price:** € 41.31 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in peace of mind with Prime-Line’s ultimate door defender! ## Quick Answers - **What is this?** U 11441 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Red Bronze (Single Pack) | Add Extra High Security, Prevent Unauthorized Entry, 3 in. Stop, Solid Brass Construction by prime-line - **How much does it cost?** € 41.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/281703615-u-11441-door-reinforcement-lock-add-extra-high-security-to) ## Best For - prime-line enthusiasts ## Why This Product - Trusted prime-line brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit:** Designed for any swing-in door thickness, enhancing security everywhere. - • **Unmatched Strength:** Withstands up to 800 lbs of force to keep intruders out. - • **Child-Safe Security:** Install higher on doors to keep little hands safe while locking out threats. - • **Effortless Installation:** Includes 3-inch hardened screws for a quick, secure setup in minutes. - • **Tamper-Resistant Design:** Protects against lock picking, bumping, and forced entry attempts. ## Overview The Prime-Line U 11441 Door Reinforcement Lock is a robust, tamper-resistant security solution crafted from durable aluminum with a stylish red bronze finish. Engineered to withstand 800 lbs of force, it installs easily on any swing-in door using included 3-inch hardened screws. Its spring-loaded, child-safe design prevents unauthorized entry, lock picking, and bumping, offering an affordable yet powerful upgrade to your home security. ## Description Add an extra layer of security to your home with this Defender Security Door Reinforcement Lock. Designed to withstand 800 lbs. of force, you can rest easy knowing your family is safe and protected! This reinforcement lock has a spring-loaded design, aluminum construction and a red bronze anodized finish. This reinforcement lock can be quickly and easily installed on any swing-in door of any thickness, and can help ensure the door cannot be opened from the outside by being kicked inch Additionally, it’s tamper-resistant, so it can protect against lock picking and bumping. Plus, it’s child-safe, because you can install it higher on a door, where your young ones can’t reach. Length is 2 to 0.19 inch. Width is 1 to 0.38 inch. Installation takes minutes, and the U 11441 door reinforcement lock comes with 3 inch hardened screws. Extra home security and peace of mind are well within reach, and doesn’t have to come with the high price tag of an alarm system! Be sure to view the manufacturer’s How-To Installation Video also linked to this page, in the upper left-hand corner. ## Features - KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 11441 red bronze 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” 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 for additional home security 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 – 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08N6XNSSL | | Additional Features | Tamper Resistant | | Best Sellers Rank | #9,584 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #76 in Door Latches & Bolts | | Brand Name | PRIME-LINE | | Color | Red Bronze | | Control Method | Touch | | Controller Type | Hand Control | | Customer Reviews | 4.7 4.7 out of 5 stars (29,292) | | Finish Types | Painted | | Global Trade Identification Number | 00049793571007 | | Included Components | Door blocker and fasteners | | Item Dimensions | 1.38 x 2.44 x 3 inches | | Item Type Name | Door Reinforcement Lock | | Lock Type | Rim Lock | | Manufacturer | Prime-Line Products | | Manufacturer Part Number | U 11441 | | Material Type | Aluminum | | Model Name | Door Reinforcement Lock | | Model Number | U 11441 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Recommended Uses For Product | Home Security | | Style Name | Modern | | UPC | 049793571007 | | Unit Count | 1 Count | ## Product Details - **Brand:** PRIME-LINE - **Item dimensions L x W x H:** 1.38 x 2.44 x 3 inches - **Lock Type:** Rim Lock - **Material:** Aluminum - **Special Feature:** Tamper Resistant ## Images ![U 11441 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construction, Red Bronze (Single Pack) | Add Extra High Security, Prevent Unauthorized Entry, 3 in. Stop, Solid Brass Construction - Image 1](https://m.media-amazon.com/images/I/51u8Zf1C3VL.jpg) ## Available Options This product comes in different **Color** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/281703615-u-11441-door-reinforcement-lock-add-extra-high-security-to](https://www.desertcart.gr/products/281703615-u-11441-door-reinforcement-lock-add-extra-high-security-to) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-24*