PRIME-LINE
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Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack)
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Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack)
Securely locks your window in a closed or ventilating position.
Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack)
Item #: 6493152

Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack)

78% of respondents would recommend this to a friend

Item #: 6493152

NZD 70

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Order now and get it around Friday, October 02
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Securely locks your window in a closed or ventilating position.
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What Stands Out

Secure Locking System
The Prime-Line U 9839 offers a robust, keyed locking mechanism that enhances the security of your sliding windows, providing peace of mind against unauthorized access.
Durable Construction
Constructed from high-quality materials, this window lock is designed to withstand daily use while maintaining functionality, ensuring long-lasting performance and reliability in all weather conditions.
Easy Installation
With a straightforward installation process, the Prime-Line U 9839 can be quickly set up by anyone, making it an ideal choice for DIY enthusiasts looking to enhance home security effortlessly.

Product Details

Shop for the Defender Security U 9839 Keyed Sliding Window Lock at Ubuy Cook Islands. Securely lock your window in a closed or ventilating position. Easy to install. Get yours now!
  • Constructed from painted diecast housing
  • Securely locks window in closed or ventilating position
  • Easy to install
  • Bolt locks into 1/4 in. hole drilled into fin

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners seeking to enhance security for sliding windows in residential properties.

  • Renters

    Perfect for renters who need a temporary yet effective locking solution for security in their apartments.

  • DIY Enthusiasts

    Great for DIY enthusiasts looking for an easy installation project to improve window security.

Not Suitable For
  • Large Windows

    Not suitable for large sliding windows where a more robust locking mechanism is necessary.

Product Description

Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Prime-Line U 9839 sliding window lock made of?

    Answer: The Prime-Line U 9839 sliding window lock is constructed from durable metal, designed to withstand wear and provide lasting security. This reliability is crucial for ensuring your home's safety against unauthorized access. The high-quality materials used in its construction also help it resist rust and corrosion, making it suitable for various climates. Whether you are securing your ground-floor sliding windows or enhancing protection in upper levels, this lock can effectively meet your needs.
  • Question: How do I install the Prime-Line U 9839 sliding window lock?

    Answer: Installing the Prime-Line U 9839 sliding window lock involves a straightforward process that typically requires a drill, screwdriver, and some basic tools. First, position the lock on the window frame and mark the spots for the screws. Drill pilot holes, then attach the lock securely. This simple installation process allows you to upgrade your window security with minimal effort, ensuring your home environment feels safe. It's ideal for DIY enthusiasts looking to enhance their window security.
  • Question: Can the Prime-Line U 9839 lock fit all sliding windows?

    Answer: The Prime-Line U 9839 lock is designed to fit most standard sliding windows, making it a versatile choice for various applications. As long as the window frame aligns properly with the lock's dimensions (1-23/32 inches), it should work effectively. When considering this lock, always measure your window's frame first to confirm. This compatibility allows for easy upgrades for many homeowners looking to improve the security features of their sliding windows.
  • Question: What key type does the Prime-Line U 9839 sliding window lock use?

    Answer: The Prime-Line U 9839 sliding window lock uses a keyed design that enhances security by requiring a key for operation. This feature is especially important for homeowners who want to restrict access and control who can open their windows. Having a keyed lock provides peace of mind, ensuring that windows cannot be opened easily from the outside. It's perfect for areas where safety is a concern, allowing you to enjoy fresh air without compromising security.
  • Question: Is the Prime-Line U 9839 lock suitable for outdoor use?

    Answer: Yes, the Prime-Line U 9839 lock is suitable for outdoor use due to its robust metal construction and resistance to rust and corrosion. This durability ensures that it remains functional and effective in different weather conditions, making it an excellent choice for securing patio and garden sliding windows. Whether you're upgrading existing locks or installing new ones, this lock helps maintain the security of your outdoor spaces.
  • Question: How does the Prime-Line U 9839 enhance window security?

    Answer: The Prime-Line U 9839 enhances window security by providing a reliable locking mechanism that prevents unauthorized access. With its keyed feature, it ensures that only individuals with the correct key can open the lock. This added layer of security is critical for homes in high-traffic areas or those with ground-level windows. By integrating this lock into your home security system, you can significantly deter potential intruders.
  • Question: What is the design style of the Prime-Line U 9839 lock?

    Answer: The Prime-Line U 9839 lock features a clean and simple white design that complements most home aesthetics. Its neutral color allows it to blend seamlessly with various window frames, maintaining the visual appeal of your home. This minimalist style not only serves a functional purpose but also enhances the overall look of your interior and exterior spaces. It’s a great choice for those wanting security without sacrificing design.
  • Question: What is the locking mechanism of the Prime-Line U 9839 lock?

    Answer: The Prime-Line U 9839 lock utilizes a robust keyed locking mechanism, which provides excellent security for sliding windows. This system is easy to operate, and once locked, it effectively secures the window against unauthorized entry. Its dependable design makes it suitable for various residential and commercial applications. Great for both new installations and upgrades, this mechanism enhances the safety of any sliding window setup.
  • Question: Can I replace my old sliding window lock with the Prime-Line U 9839?

    Answer: Yes, the Prime-Line U 9839 can be an excellent replacement for most old sliding window locks. It is designed to fit standard dimensions, making it a suitable option for upgrades. When replacing an old lock, ensure that your window frame can accommodate the new lock's design. This replacement provides an opportunity to boost security while keeping your window operation smooth and functional.
  • Question: Where can I buy the Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack) in Cook Islands?

    Answer: You can purchase the Prime-Line U 9839 1-23/32 In. White, Keyed Sliding Window Lock (Single Pack) from Ubuy in Cook Islands. Ubuy offers a convenient platform for acquiring this essential home security product, ensuring that you can easily find what you need with just a few clicks. Simply visit their website, search for the product name, and enjoy a seamless purchasing experience.

PRIME-LINE Locks & Latches Editorial Review

The Prime-Line U 9839 keyed sliding window lock has garnered a mixed reception among customers, primarily centered on its versatility and fitting. Many users have praised the lock for its capability to enhance security, particularly for windows in children's rooms or areas where additional safety is a priority. The lock's adjustable positioning along the track allows users to secure windows at specific openings, which is a valuable feature for those who want to maintain airflow or ensure safety. However, the product does exhibit significant compatibility issues. Users have reported that the lock's design is too narrow for certain window types, particularly newer vinyl models, and this disparity has led some customers to return the product after finding it unsuitable for their needs. The necessity to drill into the window frame for installation has also been a point of concern, as it may not appeal to individuals who prefer non-invasive security solutions. Furthermore, while the inclusion of multiple keys is a plus, the inability to have all locks keyed alike could pose a hassle for those looking for streamlined security. Overall, the Prime-Line U 9839 window lock offers enhanced security for specific window types but may not be suitable for all users due to its restrictive fitting and installation requirements. **

Customer Reviews & Ratings

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Pros

  • Enhances window security, particularly in children's rooms.
  • Adjustable placement allows for various opening heights.
  • Comes with its own keys, providing secure locking options.
  • Generally easy installation for compatible window types.

Cons

  • Narrow fitting limits compatibility with various window styles.

Platform Trust & Buyer Confidence

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“Easy to use and always helpful and sorts any issues I've had past and present”

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“The delivery was fast and the product came undamaged and authentic.”

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27 August 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NZD 70

Order now and get it around Friday, October 02

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Fastest cross-border delivery

Features & Benefits

  • Made of diecast and painted in white
  • Easy to install with bolt lock
  • Keeps window securely closed or ventilated

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