--- product_id: 14922455 title: "Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack)" brand: "prime-line" price: "3449 som" currency: KGS in_stock: true reviews_count: 13 category: "Prime Line" url: https://www.desertcart.kg/products/14922455-prime-line-u-10309-swing-bar-lock-for-hinged-swing store_origin: KG region: Kyrgyzstan --- # 3.88-inch swing bar length Easy screw-in installation kit Durable zinc diecast with bronze finish Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) **Brand:** prime-line **Price:** 3449 som **Availability:** βœ… In Stock ## Summary > πŸ” Lock in safety and styleβ€”because your door deserves the best. ## Quick Answers - **What is this?** Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) by prime-line - **How much does it cost?** 3449 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/14922455-prime-line-u-10309-swing-bar-lock-for-hinged-swing) ## 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 - β€’ **Child-Safe Peace of Mind:** Install out of reach to keep little ones safe while maintaining door security. - β€’ **Secure Your Space with Style:** Classic bronze finish blends security with elegance for the modern home or office. - β€’ **Ventilate Without Compromise:** Allows door to open slightly for safe viewing and airflow without sacrificing security. - β€’ **Built to Last, Built to Protect:** Robust zinc diecast construction ensures long-lasting durability and reliable defense. - β€’ **Effortless Setup, Instant Protection:** Complete installation kit included for a quick, hassle-free upgrade. ## Overview The Prime-Line U 10309 Swing Bar Lock is a robust secondary security device designed for hinged swing-in doors. Featuring a 3.88-inch diecast zinc bar with a classic bronze finish, it allows safe ventilation while preventing unauthorized entry. Easy to install with included fasteners and spacers, it also offers child-safe security by being mountable out of reach. Durable and stylish, this lock is a must-have for professionals seeking reliable, elegant door security. ## Description This Defender Security U 10309 Bar Door Lock is a security locking device for hinged swing-in doors, allowing a door to be slightly opened to allow safe viewing and ventilation. This door lock bar can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security. Adding security bar locks for doors is quick and easy. All installation fasteners, including plastic shim spacers for leveling, are included. Strong, durable, and sure to last, these lock bars are constructed of zinc diecast with a classic bronze finish. This lock bar is 3-7/8 inch bar length by 2-1/2 inch height and has a long, hinged bar, which folds over the closed door to engage the catch. For further dimensional information, please see the line drawing. ## Features - SECURITY LOCK – This swing bar lock is a security locking device for hinged swing-in doors, allowing a door to be slightly opened to allow safe viewing and ventilation - CHILD-SAFE SECURITY DEVICE – This swing bar door lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security - EASY INSTALLATION - Adding a security swing latch to your door is quick and easy; all installation fasteners, including 2 plastic 1/8 shim spacers for offset door jambs - STRONG AND DURABLE – Constructed of zinc diecast with a classic bronze finish, the security door lock is strong, durable, and sure to last - DIMENSIONS - This locking bar is 3-7/8 inch bar length x 2-1/2 inch height and has a long, hinged bar, which folds over the closed door to engage the catch; for further dimensional information, please see the line drawing ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003ZGIEZY | | Best Sellers Rank | #24,539 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #60 in Door Latches & Bolts | | Brand | PRIME-LINE | | Brand Name | PRIME-LINE | | Color | Classic Bronze | | Customer Reviews | 4.6 out of 5 stars 2,528 Reviews | | Exterior Finish | Bronze | | Global Trade Identification Number | 00049793103093 | | Included Components | Swing lock, keeper and fasteners | | Installation Type | Screw-In | | Item Dimensions L x W x H | 3.88"L x 3.88"W x 2.5"H | | Item Type Name | Swing lock | | Item Weight | 0.46 Pounds | | Manufacturer | Prime-Line Products (Home Improvement) | | Manufacturer Part Number | U 10309 | | Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. | | Material | Diecast | | Material Type | Diecast | | Model Number | U 10309 | | Number of Pieces | 1 | | Product Dimensions | 3.88"L x 3.88"W x 2.5"H | | Recommended Uses For Product | Securing hinged swing-in doors, providing child-safe door security, and using it as a door closer in commercial settings | | Shape | T-Shaped | | Size | 1 Pack | | UPC | 049793103093 | | Unit Count | 1.0 Count | ## Product Details - **Material:** Diecast - **Brand:** PRIME-LINE - **Color:** Classic Bronze - **Exterior Finish:** Bronze - **Product Dimensions:** 3.88"L x 3.88"W x 2.5"H ## Images ![Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) - Image 1](https://m.media-amazon.com/images/I/51t76RcqobL.jpg) ![Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) - Image 2](https://m.media-amazon.com/images/I/51GsBGL6pcL.jpg) ![Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) - Image 3](https://m.media-amazon.com/images/I/71Fhz6-3VrL.jpg) ![Prime-Line U 10309 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door and Security, 3-7/8 In. Bar Length, Diecast Zinc Construction, Classic Bronze Finish (Single Pack) - Image 4](https://m.media-amazon.com/images/I/41+m5-2P31L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by B***R on November 1, 2025* ### ⭐⭐⭐⭐⭐ Review *by L***I on November 15, 2025* ### ⭐⭐⭐⭐⭐ Review *by C***W on April 2, 2020* --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kg/products/14922455-prime-line-u-10309-swing-bar-lock-for-hinged-swing](https://www.desertcart.kg/products/14922455-prime-line-u-10309-swing-bar-lock-for-hinged-swing) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-05-07*