
This high security welded steel security lock box mounts under the rear seat in both the Chevy Colorado and GMC Canyon Crew Cabs. The full width formfitting design of the Tuffy lock box has over 2100 cubic inches of lockable storage. It’s secured contents are easily accessed by flipping either or both rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long and valuable items. Featuring Tuffy’s Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals, the entire lock box conceals neatly under the lowered rear bench seat. The Lock box is quickly and easily installed using the factory hardware without drilling.
Over 2100 Cubic inches of lockable storage space
Exclusive 10 tumbler double bitted lock with built in weather seals
Pry-Guard locking system featuring 1/8 inch thick welded steel components
Weather resistant lid design incorporates an exclusive hinging system with built-in lid stop
Welded steel construction
Added security with Pin-Lock hinge design
Durable texture powder coat finish
Mounting hardware provided
Quick and easy install, no drilling
Weather and dust seal
Crew Cab required. Does not fit Extended Cab models. No Drilling required. Fastens with original OEM hardware.



This high security welded steel security lock box mounts under the rear seat in both the Chevy Colorado and GMC Canyon Crew Cabs. The full width formfitting design of the Tuffy lock box has over 2100 cubic inches of lockable storage. It’s secured contents are easily accessed by flipping either or both rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long and valuable items. Featuring Tuffy’s Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals, the entire lock box conceals neatly under the lowered rear bench seat. The Lock box is quickly and easily installed using the factory hardware without drilling.
Over 2100 Cubic inches of lockable storage space
Exclusive 10 tumbler double bitted lock with built in weather seals
Pry-Guard locking system featuring 1/8 inch thick welded steel components
Weather resistant lid design incorporates an exclusive hinging system with built-in lid stop
Welded steel construction
Added security with Pin-Lock hinge design
Durable texture powder coat finish
Mounting hardware provided
Quick and easy install, no drilling
Weather and dust seal
Crew Cab required. Does not fit Extended Cab models. No Drilling required. Fastens with original OEM hardware.
SKU: 343-01
Specifications
Product Type | Underseat Lockbox |
Description | Rear Seat |
Color | Black |
Dimensions
Exterior Dimensions | Overall 13.5” L x 42” W x 7” H |
Interior Compartment | 13.375” L x 39.75” W x 6.875” H |
2015-2023 GMC Canyon
California Proposition 65
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