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Member Only Item

Undercover® Gravity-Tube™ Ultimate Canopy Anchor System

Item #500963


180 LBS of Leveraged Weight, Add Sand or Rock, New Spyder-Claw™ Base maximizes anchoring to hardpan, cement, dirt, sand or asphalt surfaces

Online Price
Your Price $62.99
Price Per null:
  • Shipping & Handling included *

Member Only Item

The estimated delivery time will be approximately 3 - 5 business days from the time of order.

Note: Does not include canopy

The Best Way to Anchor! Sometimes even the slightest breeze can lift your canopy in
a blink-of-an eye possibly causing injury or frame damage. This is a revolutionary hard
surface anchoring solution for all types of free standing canopies and awnings. The
Gravity-Tube™ applies dynamic leveraged weight, adding up to 180 pounds, providing
rock-solid security in the wind.

New SPIDER-CLAW™ Base: Redesigned tubes for added durability and function,
conveniently fill with sand, rock or even water. Attach each Gravity-Tube™ with a
tension strap to maximize anchoring leverage for all hardpan, cement driveway, soft
dirt, sand or asphalt applications.

What's in the Box: (4) Tubes, (4) Straps


  • Adds 180 Pounds of Leveraged Weight
  • Fill With Sand or Rock
  • Fits All Canopies, Gazebos
  • (4) Heavy Duty PVC 22 Liter Tubes
  • Quick Tensioning Straps
  • Self Contained Storage
  • Improved Spyder-Claw™ Base

Precautions: Not intended for permanent setup applications, do not leave unattended
for extended periods. Always takedown in inclement weather situations.

Model: UC-AGT

  • Brand: Undercover
  • Weight: 180 lb.

Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 3 - 5 business days from the time of order.

Express shipping is via UPS. The estimated delivery time will be approximately 1 - 2 business days from the time of order.

Please choose your shipping method at checkout.

An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.

*Delivery is available to Alaska, Hawaii and Puerto Rico. An additional Shipping and Handling fee will apply to shipments going to Alaska, Hawaii or Puerto Rico. This fee will be quoted at checkout. Additional transit time may be required. products can be returned to any of our more than 600 Costco warehouses worldwide.
Membership: We will refund your membership fee in full at any time if you are dissatisfied.

Merchandise: We guarantee your satisfaction on every product we sell with a full refund. The following must be returned within 90 days of purchase for a refund: televisions, projectors, computers, cameras, camcorders, touch screen tablets, MP3 players and cellular phones.

How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered.
If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.

For information or a written copy of the manufacturer's warranty, please contact us at:
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