The BEDSLIDE DECKED install kit allows you to reach secure mounting points on top of your DECKED. For details about this installation see the install sheet under the documents tab. PLEASE NOTE: This install kit only works with the 1000lb model BEDSLIDES. That includes the S model and CLASSIC Silver and Black Edition. It is not compatible with 2017 and previous CL parts. If you are purchasing these for an existing BEDSLIDE you can confirm fitment by checking your serial number. All serial numbers after serial number 102951 will accept the no-drill brackets.If you would like to widen the BEDSLIDE you can attached the BEDSLIDE Side Kix to the lower BEDTRAX as seen in the image. Parts BSA-SK and BSA-SKB.