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  • In Stock - Ships Tomorrow
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  • $455.00
    Save
    8%
    $420.00
    Save
    15%
    $389.00
    Quantity
    1-10
    Quantity
    11-24
    Quantity
    25+
  • Quick Facts:

    • Holds both 36" & 48" .080 Rigid Signs
    • Extendable mast holds the bottom of a 48" sign 84" above ground level, top at 152"
    • "Tri (3) Flag Holder" built into sign stand
    • Heavy duty, automotive grade dual springs 'spill wind' in even the worst conditions
    • Fixed length (69 1/2") aluminum legs lock into multiple positions to adjust even ground
    • Non-skid rubber feet
    • Meets MUTCD standards
    • MASH tested and approved for 48" Roll Up Signs

                 


  • Volume Pricing:

    Quantity
    1-10
    Save
    8%
    Quantity
    11-24
    Save
    17%
    Quantity
    25+
    $455.00
    $420.00
    $389.00

The Heavy-Duty Standard for Rigid Aluminum Signs

The Watchdog SS621A Heavy-Duty Double-Spring Sign Stand is engineered specifically for the demands of displaying rigid .080″ aluminum signs in high-traffic work zones. Featuring a telescoping mast that raises 48″ signs to a compliant 84″ height, this stand combines lightweight aluminum legs with a robust steel spring system to "spill" heavy wind loads and keep your signage upright and visible.

Key Features & Benefits

  • Rigid Sign Specialist: Purpose-built to support 36″ and 48″ rigid (.080″ aluminum) signs, making it the ideal choice for long-term construction projects.
  • Extended Visibility Mast: The telescoping mast allows for variable height adjustments, capable of mounting the bottom of a 48″ sign 7 feet (84″) above the ground for maximum driver visibility.
  • Dual-Spring Stability: Heavy-duty automotive-grade steel springs are designed to absorb wind gusts and turbulence from passing trucks, preventing the stand from walking or tipping.
  • Lightweight Aluminum Legs: Fixed-length legs are constructed from aluminum to reduce carrying weight without sacrificing the wide footprint needed for stability.
  • All-Terrain Leveling: Legs lock into multiple positions, allowing independent adjustment to keep the stand level on uneven ground, slopes, or shoulders.
  • Integrated Flag Holder: Includes a built-in bracket to mount three standard conspicuity flags, adding an extra layer of visibility to your setup.
  • MASH & MUTCD Compliant: Fully tested and MASH-accepted (WZ-427) for 48″ .080 aluminum signs, ensuring your site meets federal safety regulations.

Ideal Applications

The Watchdog SS621A is the professional choice for:

  • Highway and interstate construction zones
  • Long-term detour signage
  • Municipal paving and maintenance projects
  • Any site requiring NCHRP-350 or MASH compliant rigid sign support

Why Buy the Watchdog SS621A from TrafficSafetyStore.com?

  • In-Stock & Ships Tomorrow: We keep the SS621A ready to go, with most orders shipping within 24 hours to keep your project moving.
  • Complete Configuration: Includes the necessary rigid sign brackets (Top & Bottom) so you have everything you need right out of the box.
  • Fleet-Ready Value: We offer competitive volume pricing for contractors and agencies outfitting multiple work crews.

Stand strong against the elements. Order the Watchdog SS621A Heavy-Duty Double-Spring Sign Stand today for a secure, field-tested solution for your rigid traffic signs.