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Our Large Safe with Key – Spacious Security for Bulky Items

Our large safe with key is built for storing bulky valuables—like multiple firearms, large documents, or electronic devices—drawing on our 20+ years of safe production. It’s made with thick steel for anti-pry protection, has a roomy interior with shelves, and a secure key lock (unique to each safe). Suitable for homes, warehouses, or offices, it’s fire-resistant (some models) and easy to install. Our quality control ensures it meets high standards, and our team can offer personalized solutions like custom shelves or key duplicates.
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Why choose us?

Competitive Pricing

Despite our high - quality products and excellent services, we offer competitive pricing. This allows our customers to obtain cost - effective security solutions without sacrificing quality.

After - Sales Support

We provide comprehensive after - sales support, including product maintenance, repair, and technical guidance. Our after - sales team is always ready to assist customers, ensuring the long - term and stable use of our products.

Strong R & D Team

Behind our innovative capabilities is a strong R & D team. They are committed to researching new materials, new technologies, and new designs, constantly bringing new and improved products to the market.

Related products

Shanghai Kuntu Industrial Co., Ltd.’s “large safe with key” series is a heavy-duty security solution designed to store large volumes of valuables—such as multiple firearms, bulk cash, important business documents, or family heirlooms—while relying on the simplicity and reliability of key access. Unlike digital safes that depend on batteries or power, our large safe with key offers consistent, fail-safe access via high-security keys, making it ideal for users who prioritize traditional security or operate in areas with frequent power outages. Backed by over 20 years of manufacturing experience and BSCI-certified quality control, these safes are trusted by homeowners, gun collectors, small businesses, and financial institutions worldwide for their durability and unmatched security. The construction of our large safe with key prioritizes maximum protection and long-term durability. The body is crafted from 10–12 gauge cold-rolled steel (thicker than standard safes), with a reinforced door that features 6–8 anti-pry bolts (extending 18mm into the safe frame) to resist forced entry. The key lock uses a high-security brass cylinder with a unique pin tumbler configuration—preventing picking, bumping, or unauthorized key duplication. Each safe comes with two heavy-duty keys (made from hardened steel) that are engraved with a unique serial number, linked to the safe’s serial number for traceability. For added security, the key lock is hidden behind a removable steel panel—deterring potential intruders from locating and tampering with the lock. A notable application involves a gun collector in the United States who uses our extra-large safe (36”x24”x20”) to store 15+ rifles and handguns, along with ammunition and accessories. The collector praised the safe’s solid steel construction, noting that it withstood a break-in attempt (intruders tried to drill through the door but failed) and that the key access provided peace of mind—no risk of digital malfunctions or forgotten codes. The safe’s interior, which includes adjustable gun racks and a separate compartment for ammo, also helped the collector stay organized. For small businesses, such as convenience stores or jewelry shops, our large safe with key is a critical tool for securing daily cash deposits and high-value inventory. A jewelry store in Italy uses our large safe (30”x20”x18”) to store diamond jewelry overnight, with the store owner and manager each holding a key (requiring both to open the safe—adding a layer of accountability). The store owner noted that the safe’s fire-resistant rating (up to 60 minutes at 1400°F) was a key selling point, as it provides protection against accidental fires in the store’s wooden display cases. Our large safe with key series offers multiple size options to fit different needs: - Medium-large (24”x18”x16”): Ideal for homeowners with large jewelry collections or small businesses storing moderate cash volumes. - Large (30”x20”x18”): Suitable for gun collectors with 5–10 firearms or retail stores with high-value inventory. - Extra-large (36”x24”x20”): Designed for industrial use, gun enthusiasts with 10+ firearms, or financial institutions storing bulk cash. Our commitment to cross-cultural adaptability ensures our large safe with key meets regional needs. For example, in countries like Canada and Scandinavia, where cold temperatures can affect digital components, our key-only access is a preferred choice for rural homes and businesses. In the Middle East, where sand and dust are prevalent, we add a dust-sealed keyway to prevent debris from interfering with lock operation. Our foreign trade team also provides professional installation guidance—helping clients in countries like Brazil (with concrete floors) or Japan (with wooden floors) properly anchor the safe to prevent tipping or theft. Every large safe with key undergoes rigorous testing at our Shanghai factory, including: - Pry resistance tests: The door is subjected to hydraulic pressure to verify the anti-pry bolts hold. - Fire resistance tests: Safes are exposed to 1400°F for 30–60 minutes to protect documents and valuables. - Lock security tests: The key cylinder is tested with 20+ common picking tools to ensure resistance. We also offer customization options, such as adding interior lighting (for easy valuables retrieval), foam padding (to protect delicate items like jewelry or antique documents), or branded logos (for corporate clients like banks). If you are seeking a large, reliable safe with traditional key access for your high-value valuables, please contact our team. We can provide detailed size specifications, fire resistance ratings, and bulk pricing for businesses or institutions.

Frequently Asked Questions

How long has your factory been in production?

Our BSCI - certified factory located in Shanghai has over 20 years of production and processing experience.
Yes, our highly professional and dynamic foreign trade sales team, equipped with rich international business knowledge, can offer personalized solutions according to different customer requirements.
Sure. Understanding that every customer has unique needs, our sales team is dedicated to providing personalized solutions, including product customization in terms of appearance or function.
Yes, all our products, including gun safe boxes, go through strict testing standards. They are tested for durability, security performance, and other aspects to meet relevant safety standards.
Absolutely. We provide comprehensive after - sales support, including product maintenance, repair, and technical guidance. Our after - sales team is always ready to assist customers.

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Customer Reviews

Michelle Thompson
Secure Key Safe with Weather Resistance

I mounted this key safe outside my house to store a spare key for my parents. It’s weather-resistant—no water gets inside even in heavy rain. The lock is secure, and I don’t worry about someone breaking into it. The lid opens easily, but it stays closed in windy weather. I’ve had it for 7 months, and it’s still in great condition.

Sandra Wilson
Reliable Key Safe for Rental Properties

I own several rental properties, and I use this key safe for each one. Tenants can access the key easily with the combination I provide, and I can change the code between tenants. The safe is durable—after 2 years of use, none have broken. The customer service team also offers bulk discounts, which saves me money. Highly recommend for landlords.

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Why Our Key Safe? Compact & Secure Key Storage

Why Our Key Safe? Compact & Secure Key Storage

Our key safe is small for apartment walls, weatherproof for outdoor use, and holds multiple keys. It has easy combination setup and adhesive/drill installation options. Contact us to discuss rental property bulk orders or customization!