A great solution for truck owners who already own a tool box, no matter what brand. The tool box tonneaus fit most standard tool box sizes. Simple, quick and easy do-it-yourself installation. No drilling. No damage to truck bed. Protects finish. Extang engineered anodized L-Channel™* is an adjustable sealing system that easily bridges the tool box-to-tonneau gap for a perfect fit. The L-Channel also provides for rain drainage. All-climate tonneau design that's fully adjustable for easy use in cold weather climates. Famous Extang engineering, quality workmanship and excellent customer service are behind every product we sell.

ExtangRT Tool Box is made to fit with most standard 20" tool boxes. Opens & closes in seconds by just one person. Easy finger tip release. Bows are secured to tarp for easy rollup. Rolled tarp secures with heavy duty luggage style clasp. Fast & easy. Premium sewn, commercial grade tarp, with fully finished edges. Scratch-resistant, heavy-duty black anodized bows are pre-positioned and secured to easily roll-up along with the tarp. PerfectFit™ control at cab rail adjusts for hot/cold climates. Heavy duty locking rear tail rail secures your cargo. Uses industrial style, aggressive high peel strength Velcro™. The Maximum Strength Lifetime Warranty on both, the frame and the tarp.	FullTilt Tool Box is made to fit with most standard 20" tool boxes. Available with or without snaps. Full use of truck bed - no obstructions. Gull-wing latches secure tonneau without restricting cargo space. Can be easily used with one hand. Handy pull strap for easy close. L-Rails create a self-centering lid system that also prevents damage to the truck's finish. Extang's Quick Release and L-Rail system provide a no-measure installation that is accurate and easy to do. Tarp can be rolled up and bows removed for hauling that unexpected large load home. The Maximum Strength Warranty - 10 year tarp and lifetime frame.	The Classic Platinum Tool Box comes in standard or custom-cut for non-standard size tool boxes. Simple do-it-yourself measurements required for a perfect custom fit. One-handed tail rail quick release with the patented "ClickLock™" corner system. "SnapStopper" keeps snaps on the rail when tarp is rolled up for bulk hauling. The "TuffSnaps" stainless steel and brass snaps will not break. Field tested and proven. All-climate tonneau design that's fully adjustable easy use in cold weather climates. The Maximum Strength Warranty - 10 year tarp and lifetime frame.