


Extang Tonno Tonic 70 Tonneau Cover | Precision-Fit Truck Bed Protection
The Tonno Tonic 70 is our precision-engineered soft roll-up tonneau cover designed for truck owners who demand reliable bed protection without sacrificing bed access. This low-profile cover sits flush with your truck's rails, delivering a sleek appearance that complements any truck style.
We built the Tonno Tonic 70 with heavy-duty vinyl and reinforced seams to withstand rain, snow, UV exposure, and highway speeds. The roll-up design lets you access your full bed in seconds, while the integrated tension control system keeps the cover taut and secure in all weather conditions. Whether you're hauling gear for work or securing weekend equipment, the Tonno Tonic 70 provides the protection and versatility you need.
Tonno Tonic 70 specifications

Weather Protection & Durability Built Into Every Tonno Tonic 70
We engineered the Tonno Tonic 70 with marine-grade vinyl that stands up to the toughest conditions your truck faces. The material features a UV-resistant top layer that prevents fading and cracking even after years of sun exposure. Our weather-resistant seals run the full perimeter of the cover, creating a barrier that keeps rain, snow, and road spray out of your truck bed.
The reinforced stitching at every seam represents our commitment to longevity. We use commercial-grade thread and double-stitching techniques at high-stress points where the cover flexes during opening and closing. The integrated drain tubes channel any moisture away from the bed, ensuring your cargo stays dry even during heavy downpours. This construction means the Tonno Tonic 70 maintains its protective qualities season after season, making it a smart investment for serious truck owners who use their vehicles in all conditions.

Installation & Fit System
No-Drill Clamp Installation
The Tonno Tonic 70 installs in under 30 minutes using our proprietary clamp system that requires zero drilling into your truck bed. The clamps attach securely to your bed rails, distributing tension evenly across the entire cover width. This design protects your truck’s finish while creating a rock-solid foundation for the tonneau.
Precision Truck Compatibility
We manufacture the Tonno Tonic 70 in vehicle-specific configurations to ensure perfect fitment for your exact truck make, model, and bed length. Each cover is cut to match your truck’s dimensions, so the rails align precisely with your bed edges and stake pockets. The adjustable tension system lets you fine-tune the fit after installation, compensating for any variations in bed contours. Our tonneau cover fit guide walks you through measuring your bed and selecting the correct Tonno Tonic 70 model for your truck.
Roll-Up Design & Bed Access
The quick-release roll-up mechanism is where the Tonno Tonic 70 truly shines for daily truck use. When you need full bed access, simply release the tailgate latches and roll the cover forward toward the cab. The self-storing design keeps the rolled cover secure behind the cab without requiring removal or separate storage.
Our integrated strap system holds the cover in the rolled position, so you can haul tall loads without worrying about the tonneau unrolling during transport. The cover rolls smoothly along the side rails thanks to low-friction guides that prevent binding. When you’re ready to close up your bed again, the cover unrolls in seconds and locks into place with the tailgate latches. This versatility means you get bed protection when you need it and full-size truck bed capacity when you don’t, all without tools or complicated mechanisms.



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Tonno Tonic 70 Installation & Fit Questions
The Tonno Tonic 70 is manufactured in vehicle-specific configurations for different truck makes, models, and bed lengths. We produce versions for 5.5-foot, 6.5-foot, and 8-foot beds depending on your truck model.
When ordering, you'll select your exact truck year, make, model, and bed size to receive the correctly fitted cover. Our precision manufacturing ensures the rails align with your bed edges and stake pockets for a factory-quality fit.
Most truck owners complete installation in 20-30 minutes using basic hand tools. The clamp-on design requires no drilling, cutting, or permanent modifications to your truck bed.
You'll position the rails on your bed edges, tighten the clamps, attach the cover, and adjust the tension. Our included instructions provide step-by-step guidance, and the process is straightforward enough for first-time tonneau cover installers.
Yes, the Tonno Tonic 70 is compatible with both spray-in and drop-in bed liners. The clamp system adjusts to accommodate the additional thickness that bed liners add to your rails.
For spray-in liners, the clamps grip over the liner material without issue. With drop-in liners, you may need to adjust clamp positioning slightly to ensure proper rail alignment, but compatibility is maintained across liner types.
Regular maintenance involves monthly washing with mild soap and water, followed by application of vinyl protectant to preserve the UV-resistant coating. Check tension adjustments quarterly and tighten if the cover has loosened.
Inspect weather seals annually for debris buildup and clean as needed. In winter climates, remove heavy snow accumulation to prevent excess weight. These simple steps take minimal time and keep your Tonno Tonic 70 functioning properly for years.
The Tonno Tonic 70 is weather-resistant with perimeter seals that prevent the majority of rain and snow from entering your truck bed. While it provides excellent protection against normal weather conditions, it's not completely waterproof like a hard cover.
The integrated drain system channels moisture away from the bed, and the tight-fitting seals keep your cargo dry during rain. For extremely heavy downpours or pressure washing, minimal moisture may penetrate, so we recommend using additional waterproof storage containers for highly sensitive items.
Yes, the Tonno Tonic 70 allows full tailgate operation when the cover is closed. The design accommodates the tailgate's range of motion without requiring you to roll up the cover first.
The latches at the tailgate end release to let the tailgate drop while the cover remains secured to the bed rails. This feature lets you access the rear of your bed for loading smaller items without fully exposing the entire bed area.
The Tonno Tonic 70 uses a low-profile roll-up design that stores the cover compactly behind the cab when rolled forward. The rolled bundle sits low enough that it doesn't obstruct your rear window view in most truck configurations.
The integrated strap system keeps the roll tight and secure, minimizing the rolled diameter. While the exact visibility impact varies by truck model and cab style, most drivers report no significant view obstruction when the cover is in the rolled position.



