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Extang tonneau covers
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Extang Black Max Tonneau Cover

The BlackMax features solid black rails, bows, snaps and tarp. Corners feature Extang's new quick access one finger removal Leverlock attachment, just pull back the lever and the rail unlocks! New spring technology keeps snaps in place for easy reattachment of tarp, while allowing horizontal movement to minimize tarp stress. Snap opening on the cab rail allows for easy access into the front of the truck bed. Snap configuration allows for for tight fit in hot weather and looser fit in cold weather. Parachute grade nylon corner reinforcement. Snaps and corners backed with polymer. Reinforced corners lie smooth and will not buckle in any weather. For information on Extang's limited lifetime warranty, click here.
Black Max tonneau bed cover
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  • Extang Black Max - when solid black is the bold look you want.
  • Snaps along cab rail allows quick and easy access into the front of your truck bed.
  • Features Extangs’ latest hi-tech materials & components.
  • NO drilling, NO damage!
  • Exclusive all-climate engineered design that’s fully adjustable for cold weather.
  • One-finger removal of tail rail using the “LeverLock™” system allows quick access for hauling large loads.
  • “SnapStopper™” keeps snaps on the rail when tarp is rolled up for bulk hauling.
  • The BlackMax features fiberglass reinforced nylon snaps that will not break.
  • No hassle warranties: 3–year on tarp, and lifetime on frame!
  • Famous Extang engineering, quality workmanship and excellent customer service.
  • Be sure to include Tonno Tonic with your Extang tonno cover order to help protect your investment.

  • Free MaxSeal tailgate seal with your BlackMax order - a $29.95 value. Hurry, limited time offer.
Fiberglass reinforced nylon formula makes the BlackMax’s snaps strong and durable. Tested and proven under intense usage for years in the lab and field. Extang’s patented “MAXSNAPS™” will not break.
Extang makes the only tonnos that work well in cold climates.
Stud low for tight fit in hot weather

Slide off, flip over, then slide on again

Stud high for looser fit in cold weather


Extang’s SNAPSTOPPER™ is a small detail that means a lot. Roll up your tarp, carry a large load and the snaps will stay on the rail.
Front Access:
Quickly place items in the bed near your cab door, snap on the tarp, jump in and go!
Quicker Installation:
Our TUFFKLAMPS™ simply drop into the rail channels (works well with bed liners). Easy on. Clamps tight.
One Finger Removal:
The BlackMax corners feature Extang’s impressive new “LeverLock™” attachment. Pull back the lever and the tail rail unlocks and quickly disengages for bulk hauling. When the lever latches you know it’s locked. “LeverLock™” securely stays in place and will not vibrate loose. All this with one finger!
Bow height adjustment:
Extang’s Monster Bows™ quickly click on and off with no tools. It’s fast and easily done with one hand. The TUFFKLAMPs™ allow two bow heights: High for maximum water shedding in harsh weather, and for improved gas mileage. low for sporty good looks and cold weather tonno attachment.
Tarps designed for strength & good looks:
Corners don’t buckle up due to parachute grade nylon corner reinforcements. Snaps & corners are backed with thick polymer forcing the corners and edges to lie smooth and look good in any weather. The thick polymer edging also keeps your snaps from ripping out!
3 quick, easy steps for bulk hauling:
1. Roll up & secure your tarp.

Your tarp can be quickly rolled up and secured with strong convenient Velcro® straps allowing you

2. Click out tail rail.

New “LeverLock™” corners allow you to attach or remove your tail rail instantly. No tools or screws required. “LeverLock™” corner attachments firmly hold your tail rail in place.
3. Click off Monster Bows.™

Extang’s MONSTERBOWS™ have been designed tall and wide making them super strong. They click off with one hand.
No Tugging
All Season Design

No tugging your tarp in cold weather! Extang makes the only fully adjustable tonnos that work well in cold climates.


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