--- product_id: 223607399 title: "Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products" brand: "defender security" price: "180 kr" currency: DKK in_stock: false reviews_count: 5 category: "Defender Security" url: https://www.desertcart.dk/products/223607399-prime-line-products-u-9913-chain-door-guard-solid-brass store_origin: DK region: Denmark --- # 6-inch welded steel chain Solid extruded brass build Quick & easy installation Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products **Brand:** defender security **Price:** 180 kr **Availability:** ❌ Out of Stock ## Summary > 🔐 Secure your space with style and strength — don’t just lock it, Prime-Line it! ## Quick Answers - **What is this?** Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products by defender security - **How much does it cost?** 180 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/223607399-prime-line-products-u-9913-chain-door-guard-solid-brass) ## Best For - defender security enthusiasts ## Why This Product - Trusted defender security brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless DIY Setup:** Includes all fasteners for a hassle-free, professional install in minutes - • **Timeless Antique Finish:** Solid brass with an elegant antique look that complements any door style - • **Child-Safe Peace of Mind:** Mount high to keep little hands out, securing your home and loved ones - • **Unbreakable Chain Security:** 6-inch, 8-link welded steel chain resists forceful entry - • **Versatile Door Compatibility:** Fits multiple door types and can be installed over or beside door casings ## Overview The Prime-Line U 9913 Chain Door Guard combines durable extruded brass construction with a 6-inch, 8-link welded steel chain to provide reliable door security. Designed for easy installation with included fasteners, it allows safe door ventilation and viewing while preventing unauthorized entry. Its antique finish adds a classic aesthetic, and its child-safe mounting option ensures added protection for families. Compatible with various door types, this chain guard is a trusted, long-lasting security upgrade for home or office. ## Description Secure your home or office doors with additional security with the U 9913 Chain Door Guard. This door chain lock is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation. It can also be placed out of reach of children, high on a door, so they cannot open the door themselves and enter or exit into dangerous areas. This chain door guard is constructed of extruded brass with an antique finish and a 6, 8-link welded steel chain. Its strong and durable, sure to last, and installation is quick and easy. All installation fasteners are included, and it can be used on a variety of door types and can be placed over or beside door casing. When this chain door guard is fully assembled, and engaged from base to keeper, the chain will extend to 4-5/8. To determine the maximum distance the chain door guard secures a door for safe viewing or ventilation, subtract the thickness of the door from 4-5/8 (approx. 3). The smaller chain-holder base measures wide, and the wider chain lock keeper measures 3-5/16 long; both with a height of 2. Review: It’s good and decent for the price . Review: VERY strong. I always forget I have the lock on and when I yank on the door, the chain doesn’t budge! 10/10 ## Features - SECURITY LOCKING DEVICE – This U 9913 Chain Door Guard is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation. - CHILD-SAFE SECURITY DEVICE – This door chain 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 - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included. - DURABLE CONSTRUCTION – This chain door guard is constructed of extruded brass with an antique finish and a 6”, 8-link welded steel chain. It’s strong and durable and sure to last. - PRODUCT INFO – The 3-5/16” U 9913 Chain Door Guard can be used on a variety of door types and can be placed over or beside door casing. It features a 6-inch long, 8-link welded steel chain and all installation fasteners necessary for complete install. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000RY6RQU | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 254,348 in DIY & Tools ( See Top 100 in DIY & Tools ) 145 in Door Chains | | Customer Reviews | 4.4 4.4 out of 5 stars (315) | | Date First Available | 28 Aug. 2012 | | Item Package Quantity | 1 | | Item Weight | 132 g | | Item model number | U 9913 | | Manufacturer | Prime-Line Products (Home Improvement) | | Part Number | U 9913 | | Product Dimensions | 8.41 x 8.41 x 5.08 cm; 131.54 g | ## Images ![Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products - Image 1](https://m.media-amazon.com/images/I/61hwuT41w5L.jpg) ![Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products - Image 2](https://m.media-amazon.com/images/I/51uD9f0m9CL.jpg) ![Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products - Image 3](https://m.media-amazon.com/images/I/81lhdc+IxwL.jpg) ![Prime-Line Products U 9913 Chain Door Guard Solid Brass Antique Finish by Prime-Line Products - Image 4](https://m.media-amazon.com/images/I/41+m5-2P31L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***L on 3 September 2025* It’s good and decent for the price . ### ⭐⭐⭐⭐⭐ Review *by E***U on 9 November 2020* VERY strong. I always forget I have the lock on and when I yank on the door, the chain doesn’t budge! 10/10 ### ⭐ Review *by K***D on 8 December 2022* KNOWN to cause cancer and birth defects…seriously?! Then why sell it?! Geez! ## Frequently Bought Together - Prime-Line U 9913 Chain Door Guard – Door Chain Lock for Door and Home Security, 3-5/16”, Solid Brass Construction and an Antique Finish (Single Pack) - Prime-Line U 10533 Antique Brass Chain Door Guard (Single Pack) - Prime-Line U 9899 Swing Bar Lock for Hinged Swing-In Doors – Secondary Security Lock for Door & Security, 3-7/8” Bar Length, Diecast Zinc Construction w/ Antique Brass Finish (Single Pack) --- ## 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.dk/products/223607399-prime-line-products-u-9913-chain-door-guard-solid-brass](https://www.desertcart.dk/products/223607399-prime-line-products-u-9913-chain-door-guard-solid-brass) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-05-10*