Description: 【High Quality Material】: This Lock Cylinders for Car Racks System is made of copper and zinc alloy material processing, which is strong and durable, not easy to deform, rust proof, and has a longer service life. 【Cross Bars Locks and Key】This lock kit allows you to replace the new lock cylinder, enhance the security of the shelf system and goods. 【Perfect Replacement】: This is a perfect replacement Cross Bars Locks and Key Kit, which can directly replace the old or damaged lock cylinder. 【Easy to Install】: The high quality Roof Rack Cross Bars Locks Key Kit is easy to install, you can install it directly in a few minutes, easy to use, save your energy and time. 【Widely Applicable】: Durable Crossbar Locks are suitable for car roof racks, roof racks, car luggage rack cross bars, car cargo cross bars and more. Size Chart: 3.1cmx1.6cm/1.22inchx0.63inch Package Includes: 2 Lock Cores 2 keys 1 Removal key(2 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.