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Security Seals for Trailers & Containers

C-TPAT, ISO 17712 & ISO 9001 Certified Solutions

Prevent theft and tampering with our security seals, engineered to meet C-TPAT, ISO 17712, and ISO 9001 standards. From bolt seals to cable seals, each product is specifically designed for trailers, shipping containers, and intermodal applications, ensuring your cargo stays protected throughout the supply chain.

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Request A Fleet Pricing Quote

If you have over 25 trailers, email or give us a call at 952-442-5625 and see how we can protect your fleet.








Contact Us Directly

John Magee
[email protected]
952-442-5625

Jon Heinen
[email protected]
952-442-5625

Best in class. Period.

Access fleet pricing and expert-backed solutions designed to protect and secure your entire operation.

In Stock. Local. Ready to Ship.

Fast ordering in bag or case quantities, competitive pricing,
and quick fulfillment from our US warehouse.

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One Vendor. Fewer Headaches.

If you already buy locks from us, consolidating your security
seals means fewer suppliers to manage and the same
customer service team you already trust.

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40 Years of Proof.

Since 1982, The ENFORCER® locks have consistently been the
top choice of fleet security directors. Four decades later, they
stand as a testament to our unwavering commitment to
durability and performance.

Why Choose Our Security Seals?

High-Strength Construction

Many of our seals incorporate tough steel components, resilient ABS casing, and tamper-evident designs.

Tamper Evident

Laser-etched markings, inspection windows, or anti-spin grooves make it easy to spot any unauthorized interference.

C-TPAT & ISO Compliance

Maintain regulatory standards with seals that meet or exceed certifications, cutting down on customs delays or rejected loads.

Versatile Applications

From trucks and rail cars to shipping containers and tankers, our seals adapt to a wide range of security needs.

High Security CTPAT Bolt Seal

All-Metal, Anti-Spin Construction

  • High-security Fort Container Bolt Seal designed for securing containers and trailers in transit
  • ISO 17712 and CTPAT compliant for use in regulated supply chains
  • Patented locking mechanism provides clear, irreversible evidence of tampering
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Key Features

  • One-Way Locking: More difficult to spin or back off once locked.
  • Laser Marking: Sequential numbers, barcodes, and logos can be etched on both parts, can’t be replaced or removed without evidence.
  • High Strength: Bolt Seal has a pull strength of a ton
  • Typical Applications:
    • Shipping & Intermodal containers
    • Ground transportation
    • High-security cargo across borders

mini Cable Seal

User-Friendly, Tamper-Evident Design

  • The MCLP 180 offers a pull-tight mechanism that you adjust snugly around container or trailer components.
  • Constructed with galvanized steel, it deters tampering and is laser-etched for permanent identification
  • CTPAT cable seals are also available (contact sales)
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Key Features

  • One-Way Locking:Once tightened, the cable can’t be loosened without cutting.
  • Versatile Cable Lengths: Accommodates different security requirements for trucks, tanker trucks, rail cars, and containers.
  • Ribbed Exterior: Protects markings during rough handling, ensuring readability of sequential numbers or barcodes.
  • Typical Applications:
    • Long-haul trucks & tankers
    • Shipping containers at ports
    • Rail freight cars

Plastic Seals for Trailers and Containers

Everyday use Indicative seal

  • The Mini Fort Single Lock Tear-away Seal is an easy-to-use plastic seal ideal for fast, visible security.
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Key Features

  • Double Locking Mechanism: Provides clear, immediate tamper evidence.
  • Ribbed Pull-Tight Strap: Enhances grip and prevents reverse movement.
  • Tear-Away Design: Allows fast, tool-free removal.
  • Back-Mounted Grip Spikes: Help the seal sit firmly in place during handling.
  • All-Plastic Construction with BioSphere Additives: Supports improved decomposition over time.

Metal strap Seal

Fixed-Length Ring Seal with Inspection Window

  • An ultrasonically welded inspection window lets operators confirm the locking mechanism is fully engaged.
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Key Features

  • Flexible Metal Strap: Settles close to the application surface to reduce damage during handling.
  • Breaking Line Cap: Provides clear, visual indication of tampering at a glance.
  • Large Marking Flap: Supports serial numbers, barcodes, or written identification.
  • One-Way Locking Mechanism: Enables fast application with irreversible closure.
  • Typical Applications:
    • Logistics operations, warehousing
    • Asset control and inventory management

Seal Guard 5950

  • Protects seal and secures trailer door.
  • Minimizes seal-related disruptions.
  • Industrial-grade durability.
  • Double duty protection
  • Compatible with ABLOY 341-25 padlock
  • Prevents broken seal claims
More Info
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ENFORCER® Seal GuardTM Lock: Protect Against Seal Tampering and Theft

For enhanced seal protection, consider the Seal Guard™ Locks (5950 & 5900). Permanently installed on the trailer door, they shield bolt or cable seals from unauthorized removal or tampering, ensuring your seals remain intact and clearly verifiable. This lock serves double duty by locking the handle and protecting the seal.

1

Prevent Broken Seal Claims

Keep seals intact during transit, reducing load refusals.

2

Easy and permanent Installation

Fixed to the trailer door, allowing quick application of any seal.

3

Added Layer of Security

Thieves can’t easily cut or remove the seal.

Benefits & ROI

Trucking & Logistics Fleets

Each tamper-evident seal acts as a strong deterrent, reducing pilferage opportunities.

Streamlined Inspections

Clear numbering and barcode options speed up checkpoint validations, border crossings, and yard audits.

Reduced Load Refusals

Maintain seal integrity to avoid rejections at distribution centers or final delivery points.

Various Flexible Options

Choose bolt, cable, or plastic seals based on the cargo’s value, route traveled, transportation method, and compliance needs.

Improved Brand Reputation

Demonstrate proactive security measures to shippers and insurers - building trust and loyalty.

Ready to Secure Your Containers?

Don’t leave your cargo and equipment vulnerable. Safeguard your operations with ENFORCER® locks and our expert keying solutions. Contact us today to discover how we can strengthen your entire supply chain from end to end.
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