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Product Details

Stainless Steel Accessories

Tuff Tonno™ Tonneau Cover by Extang®. Designed to tightly fit your truck bed, this cover boasts a unique J45 'peel and seal' strip edging and rotating rear-end rail that reliably secure the cover and give you a smooth, snapless edge. The cover will hold strong at any speed and on any uneven off-road thanks to the spring-loaded Monster Bows.

Extang F.A.Q.Extang WarrantyExtang About


Bolt Lock System

Sharpest-Looking and Strongest-Made

The J45 'peel and seal' no-snaps edge is the world's strongest tarp attachment. This sharp looking design gives you a snapless, clean, smooth edge.

Bolt Lock System

TuffKlamps™: No Drill, Easy Install

Clamps offer two bow height positions: High for performance and improved gas mileage; Low for sporty look and cold weather attachment.

Bolt Lock System

Monster Bows: Secure, Strong, Fast

Spring loaded for the fastest on and off. Bows stay in place while driving and loading. Wide flat design allows for maximum strength plus a great looking tarp surface.

Bolt Lock System

Quickly Secure Tarp for Bulk Hauling

When it's time to haul large items your tarp can be quickly rolled up and secured with strong, convenient Velcro® straps. Keeps tarp neat and secure while driving.

Bolt Lock System

Designed for Great Looks and Perfect Fit

Smooth sleek design with no snaps. Perfectly sewn, tight fitting tarp with anti-curl corners. Allows for extremely good looks in all weather conditions.

Bolt Lock System

Rotating Tail Rail Offers Quick Tight Fit

Quickly gives a snug tight fit. To open, simply release levers on rear corners, tilt rear rail up. To close, seal tarp along sides and click tail rail down into place.

Bolt Lock System

Pre-Attached Tarp is Simple to Use

TuffTonno tarp is pre-attached to tail rail for a quick open or close. Rail easily rolls up inside tarp when securing at the cab for bulk hauling.

This tonno is easy to install, it is convenient to use, and it rolls up in seconds. In a word, it unites all the benefits of the snap covers offered by Extang. There is, however, one thing that makes this cover unique – it's the J45 peel and seal edge. It means there are no snaps to attach, so you get a smooth, clean edge every time. You only need to press the edge down to securely attach the cover to the frame. And when you want to access your cargo, you simply release the tail rail and pull the edge out.

extang tuff tonno click lock tonneau cover

The black vinyl tarp of the cover rests over the super-durable Monster Bows that are spring-loaded for fast and easy installation. To adjust the position of the bows, simply push and hold on one end and let the other end slide on using the spring action. However simple the bows seem to move, they will never fall off, whatever the speed and driving conditions. You can also adjust the bow height using TuffKlamps: choose high position for maximum water shedding and improved mileage, or low position for a sleek, sporty look and easy cold-weather attachment. The TuffKlamps are easy-to-use and work great with bed liners.

To make sure, the edges and corners will lie smooth in any weather and the snaps will never rip out, the snaps and corners are backed with thick polymer. You can easily disengage the tail rail by releasing the LeverLock corner system, then just roll up the cover and secure it with Velcro straps. And when you need to cover the truck bed, you unroll the tarp and click the rear rail down into place and that's it. Proudly made in the USA, the cover is extremely durable and comes with the Maximum Strength lifetime warranty on the frame and 10 years on the tarp.

For over 30 years, Extang Inc. has been a leading North American manufacturer delivering a wealth of heavy-duty truck bed tonneau covers and accessories. Headquartered in Ann Arbor, Michigan, the company is relentlessly striving to bring products that provide significant benefits and cause no damage to your pickup truck. Every Extang tonneau cover is designed to enhance utility, convenience, and appearance of your vehicle in a matter of few minutes. The covers are capable of withstanding extreme weather conditions, keeping water and dust out of the truck bed. The list of benefits offered by the Extang tonneau covers goes and on, and no wonder why – this brand holds more patents than any other brand in the industry. Perhaps that is why Extang is considered to be America's number one manufacturer of tonneau covers.

Warranty Information

Lifetime Frame & Tarp: The Revolution Tonno, Express Tonno, Trifecta and eMAX Tonno carry a lifetime warranty against defective materials or workmanship on all tonneau rails, aluminum components, clamps, bows, hardware and vinyl covering.

Lifetime Frame & 10 Year Tarp: The Classic Platinum, BlackMax, FullTilt and Tuff Tonno carry a lifetime warranty against defective materials or workmanship on all tonneau rails, aluminum components, clamps, bows, hardware. And a 10-year warranty against defective materials or workmanship on the vinyl covering.

The Solid Fold and EnCore carry a three-year warranty against defective materials or workmanship on all tonneau rails, aluminum components, clamps, bows, hardware.

This warranty is against defective materials or workmanship. The warranty is void if the product has been damaged by accident, unreasonable use, neglect, improper service/installation/removal, modifications, acts of God, normal wear and tear or other causes not arising out of defective materials or workmanship. Consequential and incidental damages are not covered under this warranty.

Wind whip damage: Tarps must be secured at all points when vehicle is in motion. An unsecured tarp will flap, resulting in damage to the fabric.

Improper cleaning: It is recommended to use the tested and approved Extang Tonno Tonic or clean with soap and water only. Do not use vinyl conditioners (i.e. Armor All) because they will shrink the vinyl.

Overloading of cargo: Cargo should not touch the tonneau at any point. Protrusions in the tarp will stress the fabric. Cargo may shift while traveling and cause it to push against the fabric or panels and damage it.

Driving with panels open or improperly secured on all folding tonneaus: Prior to vehicle operation, clamps must be tightly secured so that clamp lips tightly grip the inner bedside metal surface. Open position: Tonneau must be completely folded and secured with BOTH buckles. Closed position: Tonneau must be completely flat and secured at all 4 clamps.

Opening panels without removal of debris on all folding tonneaus: Top of tonneau MUST be free of foreign material including snow and ice before opening panels or severe damage may result.

Towing: Do NOT tow your vehicle from the rear with any Extang tonneau cover on your truck.

The warranty applies to the original consumer/purchaser. Warranty registration must be on file and/or proof of original purchase (detailed and dated receipt) required for warranty to be effective. Warranty coverage starts from the date of purchase.

PERFORMANCE: Provided all warranty conditions are met, Extang will either repair or replace (at Extang's option) the product or component. Extang may require the original item to be returned postage prepaid for final determination. Extang reserves the right to substitute and offer the respective warranty discount on an entire replacement system or provide other remedies than those listed in this warranty for discontinued products or other reasons. A return authorization number must be obtained from our customer service department prior to returning any product. Shipping charges will apply for any repair or replacement. This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Product Reviews


Every Customer can leave a review about our service and the product that was purchased. In order to leave your review for your new product, please follow the link in the email you receive after completing your purchase. You can rate appearance, ease of installation, price/value and product quality.

Extang® - Tuff Tonno™ Click-Lock Tonneau Cover, Installed
Extang® - Tuff Tonno™ Tonneau Cover
Average Rating: 4.9 of 5
4.8 of 5
Excellent Fit And Finish
Looks great, excellent delivery time, slight problem on installation, read below, otherwise all is good.
RPosted by (Windsor, ON) /
2016 Ford F-150
Was this review helpful for you? Yes
5 of 5
Perfect Fit On My New 2015 Colorado!
This has been an exceptional cover on my husbands truck and lasted over many years. I was happy to see they made one to fit our new Colorado and it looks wonderful! Great quality, and appearance is perfect!
SPosted by (Pomfret, MD) /
2015 Chevy Colorado
Was this review helpful for you? Yes
5 of 5
Tuff Tonneau Cover
Very easy to install. I installed it myself in about an hour. Very happy with it. Also very nicely priced, you can't beat it.
TPosted by (Roswell, NM) /
2013 Chevy Silverado
Was this review helpful for you? YesThis review was helpful for 2 users!
4.8 of 5
My Experience
This cover is very nice. I like that it is very easy to use. It stays tight (so far this winter) and looks great. I need this type of cover because I periodically haul items, and this is very easy to pull/roll back. I did receive it with one of the corners having a broken clip, but they've sent a new one within a week. Great product, great support.
IPosted by (Cochrane, AB) /
2001 Dodge Ram
Was this review helpful for you? YesThis review was helpful for 6 users!
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