Tikscience 4 Pack Lock Cylinders Fit For Yakima Car Roof Rack System Components Product Details Compatible with: Lock core kit is fit for Yakima frame system, locking the appropriate accessories, and it is fit for you to store items such as roof boxes, bicycles, tents, snowboards, etc. Before purchasing, please confirm whether it is suitable for your rack lock core rack SKS Lock Cylinder System: Core lock kit uses SKS lock cylinder locking design, which is easy to install and suitable for any position on Yakima. All lock cylinders on the frame system can be unlocked and locked by an unlocking key High-Quality Material: Lock cylinders is made of zinc alloy material with corrosion resistance, high stability and wear resistance, which can prevent rusting during use and prolong the service life of the product Easy Installation: Package is equipped with installation instructions, which can help you complete the installation in a short time, saving time and effort Package Includes: 4 X Lock cylinders, 2 X unlocking keys and 1 X control keys. Safe and reliable. If you have any questions, please contact us in time and we will reply within 12 hours Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.