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Rhino Metals | Longhorn LSB2418 | Ironworks

Overview

The Rhino metals LSB2418 is a mid-sized burglar and fire safe designed for homeowners and small offices that want straightforward protection for valuables, documents, and sensitive items in a compact footprint. With a B-Rate burglary rating and a stated 60-minute fire rating at 1400°F, it targets buyers who want practical protection without moving into oversized or specialized safe formats.

If your primary concern is balanced, everyday protection—fire resistance first, with meaningful theft resistance and controlled access—this model aligns well with that priority. Protect what you can’t replace.

Clearance Listing Notes

This unit is a clearance safe. Finish, hardware, and final configuration should be confirmed at purchase.

Rhino LSB2418 Specifications

Exterior (H × W × D)
24-1/4" H x 18-1/2" W x 16-1/8" D
Handle Clearance
Add 2" for handle
Interior (H × W × D)
21-1/4" H x 15-3/4" W x 10" D
Interior Capacity
1.9 cubic feet
Weight
130 lbs
Burglary Rating
B-Rate
Fire Rating
60 minutes at 1400°F
Fire Barrier
2 layers of 5/8" fireboard in the ceiling; 1 layer on the walls, floor, and door
Fire Seal
Heat activated door seal (expands up to 7×)
Body Steel
14 gauge formed steel body with external corner reinforcements
Door Construction
Recessed 14 gauge composite door with external reinforcement ring
Boltwork
1.00" diameter door bolts; 2-sided protection; 4 door bolts total
Lock
UL Listed commercial-grade Type 1 electronic lock
Compliance
California DOJ approved firearm safety device
Warranty
Limited Lifetime Warranty (Defects in workmanship and material, and damage by burglary and fire, original purchaser); 1 year commercial or industrial use; 5 year locks and electronic keypads

Best for:

  • Home and office storage for documents, cash, jewelry, and irreplaceable items
  • Buyers who want a documented B-Rate burglary rating and a 60-minute fire rating at a stated temperature
  • Smaller spaces where a mid-sized safe is easier to place and live with

Not ideal for:

  • Shoppers who need a large interior footprint or high-volume storage capacity
  • Install locations where door swing clearance is tight or access pathways are restricted
  • Buyers who require a longer documented fire duration than 60 minutes

Is This the Right Safe for You?

Choose this if…

You want a compact safe with a B-Rate burglary rating, 60 minutes of fire protection at 1400°F, and an electronic lock for controlled access in a home or office setting.

You may want to step up if…

If your primary concern is longer documented fire duration, you may prefer a model that explicitly lists a higher fire rating in its specifications.

This may be more than you need if…

Depending on your priorities, a smaller document safe may fit better if you don’t need nearly 2.0 cubic feet of internal space or a heavier steel build.

Protection Priorities

Most buyers balance theft resistance, fire resistance, and access control. The LSB2418 is positioned for practical residential and small-business protection, pairing a rated burglary category, layered fire protection materials, and an electronic lock for everyday access management.

Theft Resistance

Body steel: The safe uses a heavy duty 14-gauge formed steel body with external corner reinforcements, which can help reduce flex and strengthen vulnerable edges.

Door construction: The recessed 14-gauge composite door includes an external reinforcement ring designed to add pry-point protection at common attack areas.

Boltwork: The door uses 1.00" diameter door bolts with 2-sided protection, with 4 door bolts total. In practical terms, boltwork helps hold the door against prying leverage by locking it into the safe body at multiple points.

Relockers & drill protection: The safe lists anti-punch and anti-drill boltworks and an internal anti-tamper clutch, which are intended to add resistance against common forced-entry techniques.

Certifications / compliance: Burglary Rating: B-Rate. The safe is also listed as a California DOJ approved firearm safety device.

Fire Resistance

Fire rating: 60 minutes of protection at 1400°F.

Barrier type: Two layers of 5/8" fireboard in the ceiling, and one layer on the walls, floor, and door.

Seal type: Heat activated door seal expands up to 7 times its size.

Fire ratings reflect controlled testing conditions and are not a guarantee of performance in every real-world fire.

Response time, placement, and surrounding fuel load can significantly influence outcomes, and fire duration is best viewed as one input alongside how quickly help can arrive and the environment around the safe.

Access & Lock Control

Lock listing: UL Listed commercial-grade Type 1 electronic lock.

Depending on your priorities, electronic access can be a good fit when you prefer quick entry for routine use while keeping access controlled to authorized users.

Real-World Use & Interior Strategy

The LSB2418 is built for organized storage in a compact footprint, with plush adjustable shelving and upholstered interior walls designed to protect sensitive items. The distressed leatherette interior fabric supports scratch-resistant storage for jewelry, documents, and valuables you want to keep separated and easy to find.

Capacity: 1.9 cubic feet of interior space. Capacity varies based on firearm width, optics, and interior configuration. For most owners, this model is used primarily for valuables and documents; firearm capacity is not listed, so it’s best to plan around the cubic-foot rating and shelf layout.

Layout flexibility: Adjustable shelving helps you set up dedicated zones for documents, electronics, or small valuables, and makes it easier to adapt as needs change.

Door storage, lighting, power, dehumidifier: These features are not listed for this model, so availability should be confirmed if they are important to your setup.

If you expect what you store to grow over time, it’s worth leaving room for future additions so the interior stays functional instead of feeling cramped.

Installation & Placement

At 130 lbs, the LSB2418 is substantial enough to plan thoughtfully, but still manageable for many residential and office placements when the pathway is measured and clear. Before delivery, measure hallways, doorways, and tight turns, and plan for door swing clearance so the safe remains easy to access once it’s in place.

Depending on your priorities, placement planning often determines long-term satisfaction more than any single feature, especially in smaller rooms where clearances and daily access matter.

How to Think About This Level of Protection

When comparing protection categories, a 60-minute fire rating can be a practical middle ground for many homes and offices, while longer-duration safes may offer more time margin in testing scenarios. The best fit often comes down to likely response time in your area and what you’re protecting.

On theft resistance, a rated burglary category and heavier steel construction generally provide a stronger baseline than thin, entry-level containers, while door reinforcement, boltwork, and anti-drill features add layers that can slow common attack methods.

For everyday usability, a compact safe with adjustable shelving can outperform larger safes when organization, quick item access, and easy placement matter more than maximum volume.

FAQ

What does the 60-minute fire rating actually mean?

It indicates the safe is listed with 60 minutes of protection at 1400°F under controlled testing. Real-world results depend on conditions, placement, and how quickly help can arrive.

What does a B-Rate burglary rating indicate?

B-Rate is a burglary rating category commonly used to describe a higher baseline of steel construction and resistance compared to unrated containers. It’s best used as a category signal alongside the door design and boltwork features listed for the safe.

Is thicker steel always better?

Thicker steel can help, but overall performance also depends on door reinforcement, boltwork design, and lock-area protections. Depending on your priorities, balanced construction plus proper placement can be the better real-world fit.

Should I bolt it down?

Depending on your priorities, anchoring can reduce the risk of removal and improve real-world burglary resistance. The right approach depends on your floor type, placement location, and how the safe will be used.

How should I think about lock choice?

This model lists a UL Listed commercial-grade Type 1 electronic lock. Many buyers choose lock style based on access frequency, preference, and who needs authorized entry, so it’s worth aligning the lock to your routine.

How do I know if I need more fire duration?

If your primary concern is fire exposure risk, consider local response time, the room where the safe will live, and surrounding fuel load. Longer listed durations may be a better fit when you want more time margin in testing scenarios.

Closing

If you’d like help confirming fit, comparing protection priorities, or aligning this model with your specific risks and storage goals, contact us for more information.

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