High Quality Material: This car rack system lock core is made of iron material, which is strong and durable, not easy to deform, and has a longer service life.Cross Bar Lock and KeyThis lock kit allows you to replace the lock cylinder with a new 1, enhancing the security of your racking system and cargo.Perfect Replacement: This is a perfect replacement bar lock and key set that can directly replace old or damaged lock cylinders.Easy to Install: The high quality roof rack crossbar lock key kit is easy to install, you can install it directly in a few minutes, easy to use, saving your energy and time.Widely Applicable: The durable crossbar lock is suitable for car roof racks, roof racks, car luggage rack crossbars, car cargo crossbars, etc. Size Chart: 1.25cmx3.2cm/0.49inchx1.26inch Package Includes: 2 Lock Cores2 keys1 Removal key Note: Please allow slightly errors due to manual measurement and different monitors.