BOLT™ (Breakthrough One-Key Lock Technology) Series locks are codeable & can be programmed to match your car key. Exclusive solid zinc core automotive grade cylinder w/SS weather-resistant shutter that keeps out dirt & dust. Achieves the ASTM’s highest corrosion resistance rating. 2” Chrome Plated 5/16″ Diameter Hardened Steel Shackle Double Ball Bearing Locking Mechanism Plate Tumbler Sidebar To Prevent Picking and Bumping Stainless Steel Lock Shutter To Keep Out Dirt And Moisture Weatherproof Opens With Your Vehicle Ignition Key Limited Lifetime Warranty Instructions for use:To set a BOLT Lock you simply insert your auto key into the lock, turn once, and the lock learns your key. Compatibility Checker:BOLT products cover over 110 million vehicles and are able to accommodate many models of the following makes – AMC, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Freightliner, GMC, Hummer, Isuzu, Jeep, Lincoln, Mazda, Mercury, Mitsubishi, Oldsmobile, Plymouth, Pontiac, Saturn, Sterling, Toyota, and Volvo.To check if your vehicle is compatible, click here.Existing Keyporters:H75 Blade = Ford, Lincoln, Mercury BOLT LockB106 Blade = Buick, Cadillac, Chevrolet, GMC (Late Model) BOLT LockB102 Blade = Buick, Cadillac, Chevrolet, GMC (Early Model) BOLT LockY159 Blade = Chrysler, Dodge, Jeep BOLT LockTR47 Blade = Toyota BOLT LockDA34 Blade = Nissan