Hardware
Prime-Line Chain Door Guard — Satin Nickel, 3-5/16 in. Security Chain
Product description
Add an extra barrier to interior entry doors with this Prime-Line chain door guard. Intended for homes, apartments and light commercial spaces, the device lets a door open partly so you can verify visitors or allow air flow while restricting unwanted access.
The unit includes a 3-5/16 in. guard housing and a 6 in. welded steel chain composed of eight links. The main body is manufactured from extruded brass finished in satin nickel, and mounting fasteners are provided for installation. Its compact footprint works with a wide range of door styles.
Installation is straightforward and suitable for do-it-yourselfers: the guard can be mounted over the door casing or alongside it, and it may be positioned higher on the door to reduce reach for small children. Because it’s a supplemental restraint, compare the dimensions and screw placement to your door before fitting to ensure proper alignment and performance.
Pros
- Easy DIY installation with included hardware
- Durable extruded brass housing and welded steel chain
- Versatile mounting options for many door types
Cons
- Not intended as a primary high-security lock
- Screws may be short for some door/frame thicknesses
- May not withstand aggressive forced entry
VerdictA straightforward and affordable supplemental security device that gives controlled partial opening for visitor screening and airflow. Built from extruded brass with a satin finish and fitted with a 6 in., 8-link welded steel chain, it installs quickly using the supplied fasteners. Best used as a secondary measure — it helps deter casual entry and prevents small children from opening doors fully,
Reader reviews
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Evelyn 5/5
Excellent quality and very practical
Perfect for my son's safety. The build feels solid and it’s genuinely useful — I highly recommend it.
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Esther 5/5
Muy resistente
Calidad excelente, muy resistente — lo mejor.
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Ioana D 5/5
Durable over time
I've used this for months and it remains sturdy. Not flimsy at all; quality has held up well.
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amiekim 4/5
Does the job
Works as expected. :)
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Janet perez 5/5
Affordable and well made
Good balance of price and build — simple and reliable.
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Michelle 5/5
Good for homes with children
Ideal for a door in a house with kids — keeps them from opening it fully.
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Débora Lopes 3/5
Parafusos incompatíveis
Os parafusos eram grandes demais para os furos; precisei comprar parafusos novos.
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Nikki 4/5
Sturdy and simple to fit
Wished the mounting screws were a bit longer, but I installed it with minimal tools and it’s very sturdy. Works great to keep my toddler from bolting.
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R. Le 5/5
Small cost, big peace of mind
A tiny purchase that improved my sleep. My landlord has keys, so I added this and now feel more secure. Installation was easy — just a drill and minimal skill required.
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Jessey 5/5
Useful secondary lock
Arrived as described. I use it as an extra lock on my back door to stop unwanted entry; not a replacement for a main lock, but perfect for secondary use.
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JT 3/5
Simple install, disappointing durability
Really easy to mount — just drill and drive the screws. Initially felt sturdy, but the latch broke when someone pushed the door. Fine for preventing a toddler accessing stairs, but not strong enough for serious security. I replaced it and downgraded my rating.
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