DualCollar & DualGard Endcaps are sold in sets of 4: Each set contains four (4) Dual Collars & four (4) Endcaps.
DualGard End caps are sized to fit snugly into the end of DualGard DualPipe for a clean, finished look.
DualCollar locks the DualPipe in place. One is required for each end of the assembly, so for every end cap you will also need a DualCollar.
You can also download information about DualGard Snow Retention Systems: