[Compatibility] Our lock cylinder kit is fit for Thule Roof Racks with lock cores, enhancing security for your cargo. Safeguard bikes, surfboards, canoes, kayaks, ski and snowboard racks, and more with ease.[Easy Installation] Remove the lock cylinder, insert it into the bottom of the lock, press against the upper cylinder of the lock cylinder, and then remove the key.Colour:Black & SilverMaterial:Aluminum alloy + stainless steelPackage Contents:1 * Lock Cores and Key setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.l