The Chevy/GMC DU-HA Lock Kit helps secure your DU-HA from unauthorized access to your valuables and guns, With a vise-like locking mechanism and cut resistant design, this lock kit has a lifetime guarantee and is easy to install, DU-HA lock kits are designed to lock the back seat brackets, so unwanted visitors cannot lift up the seat and gain access to the valuables stored inside your DU-HA storage unit, Fits 99-07 Chevrolet/GMC Extended Cab Silverado/Sierra (Classic), Make your back seat into a safe!, Quick & easy installation, Easy 1/4 turn of key locks & unlocks, Lifetime warranty & 30 day money back guarantee - Lock kit consists of 1 coupler lock, 2 keys, and installation instructions, Extended Cab Silverado/Sierra (Classic), Year: 99-07, Model: Chevrolet/GMC, Color: Black, Length: 1, 75, Height: 1, 75, Width: 1 SKU: DUHA091