• All-weather adjustable snaps and hinged tonnno design allow for year-round bed access even in the coldest climates.
• Can be easily used with one hand.
• No drilling. No damage. Protects finish.
• Quick and easy do-it-yourself installation.

Bow height adjustment

Extang’s Monster Bows™ quickly spring 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.

Extang’s patent pending Quick Release™* and L-Rail™* System provide a no-measure installation that is accurate and very easy to do.

L-Rails™* create a self-centering lid system that also prevents damage to the truck’s finish.

Long centered handy pull strap for easy reach and a true level closing.

Tarp can be rolled up and bows removed hauling that unexpected large load home.

Proven neoprene rubber padded TuffKlamp™ system. No damage. No drilling.

Polymer covered handles do not scratch the truck, restrict cargo space cross-bar latches.

Automotive style sealing system:
- ribbed seal at rear tail gate.
- tubular labyrinth seals along sides.

Aluminum tonno frame, spring-loaded Bows™ and ClickLock™ corners with steel TuffSnaps™—all state-of-the-art patented features that bring the best design to the ultimate hinged tonno system.

The finest quality and most solid construction. Extang engineered throughout.