Featuring patented BOLT Breakthrough One-Key Lock Technology the BOLT Coupler Pin Lock works with your vehicle ignition key. Fully adjustable from 1/2 to 3 3/8 the BOLT Coupler Pin Lock slides back and forth with ease to fit virtually any coupler. The stainless steel pin gives you the security you have come to expect with BOLT Locks while the lock shutter keeps out dirt and moisture. Opens with your vehicles ignition key eliminating extra keys on your ring; Works with Dodge, Ram, Jeep & Chrysler keys Fits couplers From 1/2 to 3-3/8 wide Lock slides along stainless steel pin for ease of use, 1/8 incremental adjustments ensure a snug fit Stainless steel lock shutter to keep out dirt and moisture, plate tumbler sidebar to prevent picking and bumping Limited Lifetime Warranty UPC 652732113536 ASIN B00KQPMZIO Color White Lock Type Pin Tumbler Brand Name BOLT Style Name Ram, Jeep, Dodge Keys Unit Count 1.0 Count Manufacturer BOLT Model Number 7025286 Material Type Stainless Steel Item Type Name Trailer Coupler Pin Lock Controller Type Hand Control Item Dimensions 5.91 x 1.38 x 2.76 inches Additional Features Not_Performance_Used Included Components Coupler Pin Lock Recommended Uses For Product securing trailer couplers during transportation and storage Manufacturer Warranty Description Limited Lifetime Warranty Global Trade Identification Number 00652732113536