Vandal Proof 12”x12” Multipurpose Lock Box
The Vandal Proof 12”x12” Multipurpose Lock Box is a large-capacity, surface-mounted enclosure ideal for securing sensitive equipment in correctional, transit, and industrial environments. Made in the USA from 12-gauge stainless steel, it features an integrated padlock shroud, spray-deflective design, conduit access, and a removable backplate for easier installation. Backed by a 10-year vandalism warranty on 12g models, it’s built to withstand abuse in high-risk applications.
Warranty Guide, Care Instructions & Spec Sheet - See Spec Sheet Tab Below
The AA-MLB-12x12 is the largest model in our heavy-duty multipurpose lock box series, offering expanded internal space for securing valuable hardware, controls, or electrical equipment in high-risk environments. With 12” x 12” x 4 ⅜” of interior space and a 10” x 10” rear opening, this enclosure is ideal for larger-scale access control systems, wiring junctions, or sensitive electronics. It features 12-gauge stainless steel construction, an integrated padlock shroud, and a removable rear plate for flexible conduit and mounting access.
Product Features:
- Vandal Resistant Design: Built with reinforced TIG welds and 12-gauge stainless steel to withstand tampering, prying, and impact.
- Made in the USA: Proudly manufactured using LEED-certified stainless steel and strict quality controls.
- 10-Year Vandalism Warranty: Applies to all 12-gauge models — the best protection in the industry.
- Integrated Padlock Shroud: Prevents access to padlock from cutters or tools by enclosing it within a welded steel cover.
- Removable Backplate: Allows simplified installation and wiring access without compromising security or sealing.
- Spray & Drip Deflection: Protects internal contents from rain, splash, or overhead spray in outdoor or semi-exposed settings.
- Surface Mounted: Features 3/8” mounting holes for permanent attachment to walls or secure partitions (hardware not included).
- Conduit Access Port: Supports ½" conduit lines up to 0.8" OD for routing electrical or communication wiring.
Dimensions & Weight:
- Exterior: 15” W x 12 ½” H x 4 ¾” D
- Interior: 12” W x 12” H x 4 ⅜” D
- Rear Opening: 10” W x 10” H
- Weight: 19.5 lbs
Material & Finish:
Available in 12-gauge 304L stainless steel or marine-grade 12-gauge 316L stainless steel for salt-prone or coastal installations. All units feature a Satin #4 stainless steel finish for lasting durability and clean aesthetics.
Installation Guidance:
Install using 3/8” stainless steel fasteners appropriate for the wall type (not included). A ¾” or greater back brace is recommended for optimal support. Use T-nuts or specialty anchors for partitions. For maximum reinforcement, install units back-to-back and through-bolt when possible.
Warranty:
12-gauge models include a 10-year vandalism warranty. If the unit is compromised due to vandalism while properly installed and locked, it will be repaired or replaced — guaranteed.
Flexible Applications:
The AA-MLB-12x12 is designed for maximum adaptability in:
- High-capacity electrical or data junctions
- Control boxes or emergency access points
- Lockout/tagout key storage systems
- Transit communication or relay systems
The removable backplate, conduit access, and larger capacity make this model ideal for installations requiring both secure protection and easy technician access.
Why Choose Vandal Stop?
Competitor boxes such as those from Bradley or Bobrick use thinner 18-gauge materials and lack reinforced padlock protection or long-term vandalism coverage. Our 12-gauge units deliver more than 2.5x the impact resistance and are backed by an industry-first 10-year vandalism warranty. When failure isn't an option, Vandal Stop offers the highest level of security and durability available.
Made to Order Items
All of Vandal Stop Products are made by hand in the USA using American-sourced stainless steel. While some products might be available in stock, most are made to order. Our general estimated lead times are:
- Quantity 1 - 10 = ~4 to 6 weeks for production
- Quantity 11 - 50 = ~4 to 8 weeks for production
- Quantity 51 - 100 = ~6 to 10 weeks for production
- Quantity 101 - 200 = ~10 to 16 weeks for production
- Quantity 200+ = Call for estimate
Winter Months Production
Due to holidays and winter weather, some production delays may occur during the months of November, December, January, and February.
Supply Chain
Due to increased demand, more time be required for production. If you have a critical delivery date requirement, please call or email to verify lead times prior to placing an order.
Stocked Items
For certain items that we sell often, we do our best to either keep inventory on the shelf or keep a constant production cue going. For items that are considered "stocked" we will generally be able to ship within 5 business days or less.
Why Are Stocked Items More Expensive?
We're adapting to your needs! While we specialize in made-to-order products, we recognize the growing demand for immediate availability. Adjusting to this requires foresight in demand anticipation, material procurement, initiating stock production, and warehousing—all incurring additional costs. Consequently, our stocked items are priced to reflect these overheads. For customers who can accommodate a production lead time, we're pleased to offer discounted pricing as a thank you for your flexibility.
Billing
Credit Card orders will be charged at the time of checkout. If you wish to be billed when your order ships, you can use the "Pay by Purchase Order" option on the payment section of checkout. You will be asked to upload a PDF copy of your Purchase Order along with a reseller certificate of tax exempt status is applicable. We will invoice you once your order has been shipped.
For more information, contact us or read our full Production Lead Times Policy.