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Alise 4 Inch Sliding Door Lock, Security Door Latch for Barn Door
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 12, 2026 10:53 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.
- ➡️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
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Alisen Home
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Rotating locking mechanism for Improve safety】Upgraded with exclusive twist-button locking structure, this sliding door security lock fixes the common security flaws of traditional sliding locks. Professional anti-lift and anti-pry design effectively blocks unauthorized lifting, prying and forced entry from intruders. Simply twist to lock firmly or loosen to restore normal sliding use. Serving as a reliable secondary home safety barrier, it perfectly prevents illegal break-ins and accidental door opening by curious kids, greatly upgrading residential home security.
✓【Heavy-Duty Zinc Alloy Materials】Crafted from premium Zinc alloy, this heavy-duty patio door lock boasts higher hardness, stronger shock resistance and superior anti-corrosion than ordinary iron door locks. It features excellent all-weather performance, effectively resisting rust, deformation and cracking in humid, damp, coastal and outdoor environments. Door loop lock delivers stable long-term durability and a longer service life, being a sturdy safety accessory for indoor and outdoor sliding doors, barn doors and porch doors.
✓【90°/180° Adjustable U-Bolt for Universal Door Fit】Featured with flexible dual 90°/180° adjustable U-bolt, this universal barn door latch solves the fitting troubles of fixed-angle latches for imperfect doors. It perfectly adapts to warped door frames, offset sliding tracks and uneven door surfaces. Widely compatible with old sliding doors, farm barn doors, double gates, outdoor sheds, misaligned closet doors and more, it fits most irregular and misaligned household and outdoor door types perfectly.
✓【Keep Your Kids and Pets Safe】This security door lock can be installed at the top of the door, effectively preventing the door from accidentally sliding or moving suddenly. It reliably stops dogs, cats, and other pets from pushing the door open and escaping outdoors, and prevents curious toddlers and children from opening the door on their own when unsupervised. It eliminates hidden safety hazards in everyday home life, creating a safe and worry-free living environment for families with children and pets.
✓【Easy Installation & Wide Application】Comes with a complete mounting screws, installation is quick and easy, taking just 5 minutes. This versatile home security door accessory is suitable for a variety of applications, including patio sliding doors, closet doors, campers, RV, fences, outdoor sheds, chicken coops, and duck coops. It is a versatile and practical security lock suitable for both indoor household use and outdoor farm and yard security.
⚙️ Specifications
Alise
MS109SJ-S
4.6 ounces
4.13 x 3.35 x 1.57 inches
MS109SJ-S
4 Inch
Silver
1
Manufacturer
Alise
Part Number
MS109SJ-S
Item Weight
4.6 ounces
Product Dimensions
4.13 x 3.35 x 1.57 inches
Item model number
MS109SJ-S
Size
4 Inch
Color
Silver
